diff --git a/gds/gds2mag-all.sh b/gds/gds2mag-all.sh
index a72682e..a7160b2 100755
--- a/gds/gds2mag-all.sh
+++ b/gds/gds2mag-all.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 
 gunzip *.gz
diff --git a/mag/bump_bond.tcl b/mag/bump_bond.tcl
index bb6367b..a9d66a8 100644
--- a/mag/bump_bond.tcl
+++ b/mag/bump_bond.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 namespace path {::tcl::mathop ::tcl::mathfunc}
 
 # Bump bond is a circle (approximated by a 20-sided polygon) of
diff --git a/mag/mag2maglef-all.sh b/mag/mag2maglef-all.sh
index fd18d8d..60feffc 100755
--- a/mag/mag2maglef-all.sh
+++ b/mag/mag2maglef-all.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 o-mag2maglef-maglef.sh simple_por
 o-mag2maglef-maglef.sh gpio_control_block
diff --git a/mag/run_lvs_por.sh b/mag/run_lvs_por.sh
index 24e7dc8..81c3f70 100755
--- a/mag/run_lvs_por.sh
+++ b/mag/run_lvs_por.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #--------------------------------------------------------------------------------
 # Run LVS on the simple_por layout
 #
diff --git a/openlane/DFFRAM/config.tcl b/openlane/DFFRAM/config.tcl
index f543e21..4517766 100644
--- a/openlane/DFFRAM/config.tcl
+++ b/openlane/DFFRAM/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 # User config
 set ::env(DESIGN_NAME) DFFRAM
diff --git a/openlane/DFFRAM/pdn.tcl b/openlane/DFFRAM/pdn.tcl
index 947bd06..041526a 100644
--- a/openlane/DFFRAM/pdn.tcl
+++ b/openlane/DFFRAM/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(VDD_PIN)
 set ::ground_nets $::env(GND_PIN)
diff --git a/openlane/caravel/config.tcl b/openlane/caravel/config.tcl
index 2eda05c..9e4c320 100755
--- a/openlane/caravel/config.tcl
+++ b/openlane/caravel/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # User config
 set script_dir [file dirname [file normalize [info script]]]
 
diff --git a/openlane/caravel/interactive.lvs.tcl b/openlane/caravel/interactive.lvs.tcl
index 8bd3335..e92a0d7 100755
--- a/openlane/caravel/interactive.lvs.tcl
+++ b/openlane/caravel/interactive.lvs.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 package require openlane
 set script_dir [file dirname [file normalize [info script]]]
 ## ORIGINAL FLOORPLAN FOR CONNECTIVITY INFO
diff --git a/openlane/caravel/interactive.tcl b/openlane/caravel/interactive.tcl
index b8972ea..55e3f12 100755
--- a/openlane/caravel/interactive.tcl
+++ b/openlane/caravel/interactive.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 package require openlane
 set script_dir [file dirname [file normalize [info script]]]
 prep -design $script_dir -tag caravel -overwrite
diff --git a/openlane/chip_io/config.tcl b/openlane/chip_io/config.tcl
index 30898c6..d7e8f07 100755
--- a/openlane/chip_io/config.tcl
+++ b/openlane/chip_io/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) chip_io
diff --git a/openlane/chip_io/interactive.tcl b/openlane/chip_io/interactive.tcl
index cea6f32..4ad3155 100755
--- a/openlane/chip_io/interactive.tcl
+++ b/openlane/chip_io/interactive.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 package require openlane
 set script_dir [file dirname [file normalize [info script]]]
 set save_path $script_dir/../..
diff --git a/openlane/digital_pll/config.tcl b/openlane/digital_pll/config.tcl
index 29ea90b..b1d3e3c 100644
--- a/openlane/digital_pll/config.tcl
+++ b/openlane/digital_pll/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 # User config
 set ::env(DESIGN_NAME) digital_pll
diff --git a/openlane/digital_pll/pdn.tcl b/openlane/digital_pll/pdn.tcl
index c6a8d30..64740f2 100644
--- a/openlane/digital_pll/pdn.tcl
+++ b/openlane/digital_pll/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(VDD_PIN)
 set ::ground_nets $::env(GND_PIN)
diff --git a/openlane/gpio_control_block/config.tcl b/openlane/gpio_control_block/config.tcl
index 83a2974..f59a203 100644
--- a/openlane/gpio_control_block/config.tcl
+++ b/openlane/gpio_control_block/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) gpio_control_block
diff --git a/openlane/mgmt_core/config.tcl b/openlane/mgmt_core/config.tcl
index 55250b3..0e00f43 100644
--- a/openlane/mgmt_core/config.tcl
+++ b/openlane/mgmt_core/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) mgmt_core
diff --git a/openlane/mgmt_core/pdn.tcl b/openlane/mgmt_core/pdn.tcl
index 9c6a94a..0bed45d 100644
--- a/openlane/mgmt_core/pdn.tcl
+++ b/openlane/mgmt_core/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(VDD_PIN)
 set ::ground_nets $::env(GND_PIN)
diff --git a/openlane/mgmt_protect/config.tcl b/openlane/mgmt_protect/config.tcl
index 9015d53..16a2dc6 100755
--- a/openlane/mgmt_protect/config.tcl
+++ b/openlane/mgmt_protect/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) mgmt_protect
diff --git a/openlane/mgmt_protect_hv/config.tcl b/openlane/mgmt_protect_hv/config.tcl
index 8191f53..185a629 100644
--- a/openlane/mgmt_protect_hv/config.tcl
+++ b/openlane/mgmt_protect_hv/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) mgmt_protect_hv
diff --git a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
index 54e2f73..b7a998b 100644
--- a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
+++ b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # This is an analog design. It will be designed by hand.
 # This is a placeholder to get things going.
 set script_dir [file dirname [file normalize [info script]]]
diff --git a/openlane/storage/config.tcl b/openlane/storage/config.tcl
index 15743c6..22a7347 100644
--- a/openlane/storage/config.tcl
+++ b/openlane/storage/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) storage
diff --git a/openlane/storage/pdn.tcl b/openlane/storage/pdn.tcl
index cac8c69..ce4be26 100644
--- a/openlane/storage/pdn.tcl
+++ b/openlane/storage/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(VDD_PIN)
 set ::ground_nets $::env(GND_PIN)
diff --git a/openlane/user_id_programming/config.tcl b/openlane/user_id_programming/config.tcl
index 09b4e28..bd5410e 100755
--- a/openlane/user_id_programming/config.tcl
+++ b/openlane/user_id_programming/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 # User config
 set ::env(DESIGN_NAME) user_id_programming
diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index ca6d3e9..8675e62 100644
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) user_proj_example
diff --git a/openlane/user_project_wrapper/interactive.tcl b/openlane/user_project_wrapper/interactive.tcl
index 2e34172..8556356 100644
--- a/openlane/user_project_wrapper/interactive.tcl
+++ b/openlane/user_project_wrapper/interactive.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 package require openlane
 set script_dir [file dirname [file normalize [info script]]]
 
diff --git a/openlane/user_project_wrapper/pdn.tcl b/openlane/user_project_wrapper/pdn.tcl
index f6d953c..a000e0b 100644
--- a/openlane/user_project_wrapper/pdn.tcl
+++ b/openlane/user_project_wrapper/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(_VDD_NET_NAME)
 set ::ground_nets $::env(_GND_NET_NAME)
diff --git a/openlane/user_project_wrapper_empty/config.tcl b/openlane/user_project_wrapper_empty/config.tcl
index 66a1707..20b1f44 100644
--- a/openlane/user_project_wrapper_empty/config.tcl
+++ b/openlane/user_project_wrapper_empty/config.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) user_project_wrapper
diff --git a/openlane/user_project_wrapper_empty/gen_pdn.tcl b/openlane/user_project_wrapper_empty/gen_pdn.tcl
index df1cb09..22c35e8 100644
--- a/openlane/user_project_wrapper_empty/gen_pdn.tcl
+++ b/openlane/user_project_wrapper_empty/gen_pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 read_lef $::env(MERGED_LEF_UNPADDED)
 read_def $::env(CURRENT_DEF)
 
diff --git a/openlane/user_project_wrapper_empty/interactive.tcl b/openlane/user_project_wrapper_empty/interactive.tcl
index 6f1c146..957fd60 100644
--- a/openlane/user_project_wrapper_empty/interactive.tcl
+++ b/openlane/user_project_wrapper_empty/interactive.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 package require openlane
 set script_dir [file dirname [file normalize [info script]]]
 
diff --git a/openlane/user_project_wrapper_empty/pdn.tcl b/openlane/user_project_wrapper_empty/pdn.tcl
index f6d953c..a000e0b 100644
--- a/openlane/user_project_wrapper_empty/pdn.tcl
+++ b/openlane/user_project_wrapper_empty/pdn.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Power nets
 set ::power_nets $::env(_VDD_NET_NAME)
 set ::ground_nets $::env(_GND_NET_NAME)
diff --git a/qflow/digital_pll_controller/project_vars.sh b/qflow/digital_pll_controller/project_vars.sh
index 2fa3d92..2c1ddb7 100644
--- a/qflow/digital_pll_controller/project_vars.sh
+++ b/qflow/digital_pll_controller/project_vars.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #------------------------------------------------------------
 # project variables for project ~/gits/caravel/qflow/digital_pll_controller
 #------------------------------------------------------------
diff --git a/qflow/digital_pll_controller/qflow_exec.sh b/qflow/digital_pll_controller/qflow_exec.sh
index 3a547d6..d01bc16 100755
--- a/qflow/digital_pll_controller/qflow_exec.sh
+++ b/qflow/digital_pll_controller/qflow_exec.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #-------------------------------------------
 # qflow exec script for project ~/gits/caravel/qflow/digital_pll_controller
 #-------------------------------------------
diff --git a/qflow/digital_pll_controller/qflow_vars.sh b/qflow/digital_pll_controller/qflow_vars.sh
index 1ff7b43..856cd6c 100644
--- a/qflow/digital_pll_controller/qflow_vars.sh
+++ b/qflow/digital_pll_controller/qflow_vars.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #-------------------------------------------
 # qflow variables for project ~/gits/caravel/qflow/digital_pll_controller
 #-------------------------------------------
diff --git a/qflow/ring_osc2x13/project_vars.sh b/qflow/ring_osc2x13/project_vars.sh
index 5010715..13cdf09 100644
--- a/qflow/ring_osc2x13/project_vars.sh
+++ b/qflow/ring_osc2x13/project_vars.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #------------------------------------------------------------
 # project variables for project ~/gits/caravel/qflow/ring_osc2x13
 #------------------------------------------------------------
diff --git a/qflow/ring_osc2x13/qflow_exec.sh b/qflow/ring_osc2x13/qflow_exec.sh
index e45d63b..7219049 100755
--- a/qflow/ring_osc2x13/qflow_exec.sh
+++ b/qflow/ring_osc2x13/qflow_exec.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #-------------------------------------------
 # qflow exec script for project ~/gits/caravel/qflow/ring_osc2x13
 #-------------------------------------------
diff --git a/qflow/ring_osc2x13/qflow_vars.sh b/qflow/ring_osc2x13/qflow_vars.sh
index cb887d8..8ca2d23 100644
--- a/qflow/ring_osc2x13/qflow_vars.sh
+++ b/qflow/ring_osc2x13/qflow_vars.sh
@@ -1,4 +1,18 @@
 #!/bin/tcsh -f
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #-------------------------------------------
 # qflow variables for project ~/gits/caravel/qflow/ring_osc2x13
 #-------------------------------------------
diff --git a/scripts/compositor.py b/scripts/compositor.py
index 9e50ab9..4a3c2e2 100755
--- a/scripts/compositor.py
+++ b/scripts/compositor.py
@@ -1,4 +1,18 @@
 #!/bin/env python3
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #
 # compositor.py ---
 #
diff --git a/scripts/generate_fill.py b/scripts/generate_fill.py
index 0a84a48..d939cef 100755
--- a/scripts/generate_fill.py
+++ b/scripts/generate_fill.py
@@ -1,4 +1,18 @@
 #!/bin/env python3
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #
 # generate_fill.py ---
 #
diff --git a/scripts/set_user_id.py b/scripts/set_user_id.py
index 87fdd9e..5707920 100755
--- a/scripts/set_user_id.py
+++ b/scripts/set_user_id.py
@@ -1,4 +1,18 @@
 #!/bin/env python3
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #
 # set_user_id.py ---
 #
diff --git a/spi/lvs/run_lvs.sh b/spi/lvs/run_lvs.sh
index 77ff185..8d898a2 100644
--- a/spi/lvs/run_lvs.sh
+++ b/spi/lvs/run_lvs.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 NETGEN_SETUP=$PDK_ROOT/sky130A/libs.tech/netgen/sky130A_setup.tcl
 
diff --git a/utils/addmpwseal.tcl b/utils/addmpwseal.tcl
index 7874eff..4320fe2 100644
--- a/utils/addmpwseal.tcl
+++ b/utils/addmpwseal.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 drc off
 gds readonly true
 gds rescale false
diff --git a/utils/examples/addmpwseal.tcl b/utils/examples/addmpwseal.tcl
index 695ced2..f666baf 100644
--- a/utils/examples/addmpwseal.tcl
+++ b/utils/examples/addmpwseal.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 drc off
 gds readonly true
 gds read ../gds/sram_1rw1r_32_256_8_sky130_lp1.gds
diff --git a/utils/examples/create-project.sh b/utils/examples/create-project.sh
index 6817239..9bcf6d5 100755
--- a/utils/examples/create-project.sh
+++ b/utils/examples/create-project.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 cat <<'EOT' > .gitignore
 .DS_Store
 *.vcd
diff --git a/utils/examples/drc-mag.sh b/utils/examples/drc-mag.sh
index 075ce5a..8fbc697 100644
--- a/utils/examples/drc-mag.sh
+++ b/utils/examples/drc-mag.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=mag ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/drc-maglef.sh b/utils/examples/drc-maglef.sh
index 6289f0b..7eaddf5 100644
--- a/utils/examples/drc-maglef.sh
+++ b/utils/examples/drc-maglef.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=maglef ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/drc.sh b/utils/examples/drc.sh
index 075ce5a..8fbc697 100755
--- a/utils/examples/drc.sh
+++ b/utils/examples/drc.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=mag ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/edit.tcl b/utils/examples/edit.tcl
index 7b30db2..ea2fc8d 100644
--- a/utils/examples/edit.tcl
+++ b/utils/examples/edit.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 drc off
 puts "Small delay..."
 set macro_mags "digital_pll.mag lvlshiftdown.mag striVe2_soc.mag striVe_clkrst.mag striVe_spi.mag"
diff --git a/utils/examples/ext-gds.sh b/utils/examples/ext-gds.sh
index b528d63..a079e76 100644
--- a/utils/examples/ext-gds.sh
+++ b/utils/examples/ext-gds.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=maglef ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/ext-mag.sh b/utils/examples/ext-mag.sh
index cb3cfcc..67fc8f1 100644
--- a/utils/examples/ext-mag.sh
+++ b/utils/examples/ext-mag.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=mag ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/ext.sh b/utils/examples/ext.sh
index 3a68b67..39a14e5 100644
--- a/utils/examples/ext.sh
+++ b/utils/examples/ext.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export MAGTYPE=maglef ;
 export BASE=/home/mk/zooz/ ;
diff --git a/utils/examples/extract.tcl b/utils/examples/extract.tcl
index e043e66..a596111 100644
--- a/utils/examples/extract.tcl
+++ b/utils/examples/extract.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 lef read $::env(PDKPATH)/libs.ref/techLEF/scs8hd/scs8hd_tech.lef
 set macro_mags "openram_tc_core.mag"
 
diff --git a/utils/examples/lvs.sh b/utils/examples/lvs.sh
index 33d010f..1ff1dd1 100755
--- a/utils/examples/lvs.sh
+++ b/utils/examples/lvs.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 /ef/apps/bin/netgen -noconsole << EOF
 readnet spice $1.spice
 readnet spice $1.sp
diff --git a/utils/examples/mag2gds.tcl b/utils/examples/mag2gds.tcl
index 372a3a3..5283852 100644
--- a/utils/examples/mag2gds.tcl
+++ b/utils/examples/mag2gds.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # assumes an /ef tree or at least a symlink
 drc off
 gds readonly true
diff --git a/utils/examples/pfg.sh b/utils/examples/pfg.sh
index 5cc71b4..dce3cf3 100755
--- a/utils/examples/pfg.sh
+++ b/utils/examples/pfg.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export PDKPATH=/home/mk/zooz/pdks/ef-skywater-s8/EFS8A
 export MAGTYPE=mag 
diff --git a/utils/examples/run_openram_tc_1kb.sh b/utils/examples/run_openram_tc_1kb.sh
index d520971..be2a2ee 100755
--- a/utils/examples/run_openram_tc_1kb.sh
+++ b/utils/examples/run_openram_tc_1kb.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #
 # Run netgen on striVe (top level)
 #
diff --git a/utils/examples/setup.tcl b/utils/examples/setup.tcl
index c90e3bb..d4e1021 100644
--- a/utils/examples/setup.tcl
+++ b/utils/examples/setup.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # We must flatten these because the ports are disconnected
 flatten class {-circuit1 dummy_cell_6t}
 flatten class {-circuit1 dummy_cell_1rw_1r}
diff --git a/utils/examples/wrap.tcl b/utils/examples/wrap.tcl
index a8e5593..674d989 100644
--- a/utils/examples/wrap.tcl
+++ b/utils/examples/wrap.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 drc off
 gds readonly yes
 gds rescale no
diff --git a/utils/examples/wrap2.tcl b/utils/examples/wrap2.tcl
index 5ed83f1..bb30b45 100644
--- a/utils/examples/wrap2.tcl
+++ b/utils/examples/wrap2.tcl
@@ -1,3 +1,17 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 drc off
 gds readonly yes
 gds rescale no
diff --git a/utils/examples/xor.sh b/utils/examples/xor.sh
index aca6c48..eb98446 100755
--- a/utils/examples/xor.sh
+++ b/utils/examples/xor.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 : ${1?"Usage: $0 file1.gds file2.gds <top_level_module_name>"}
 : ${2?"Usage: $0 file1.gds file2.gds <top_level_module_name>"}
diff --git a/utils/gds2mag-mag.local.sh b/utils/gds2mag-mag.local.sh
index 617c7c2..c914f70 100755
--- a/utils/gds2mag-mag.local.sh
+++ b/utils/gds2mag-mag.local.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=mag ; 
 export PDKPATH=$PDK_ROOT/sky130A ;
diff --git a/utils/gds2mag-mag.sh b/utils/gds2mag-mag.sh
index 79257df..c8c3cab 100755
--- a/utils/gds2mag-mag.sh
+++ b/utils/gds2mag-mag.sh
@@ -1,4 +1,18 @@
 #!/bin/sh
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=mag ; 
 export PDKPATH=$PDK_ROOT/sky130A ;
diff --git a/utils/lef2maglef.sh b/utils/lef2maglef.sh
index 109dd36..d128a88 100755
--- a/utils/lef2maglef.sh
+++ b/utils/lef2maglef.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=mag ; 
diff --git a/utils/mag2maglef-mag.sh b/utils/mag2maglef-mag.sh
index 51082fd..a42e584 100755
--- a/utils/mag2maglef-mag.sh
+++ b/utils/mag2maglef-mag.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=mag ; 
diff --git a/utils/mag2maglef-maglef.localrc.sh b/utils/mag2maglef-maglef.localrc.sh
index 6c50ffa..72de47d 100755
--- a/utils/mag2maglef-maglef.localrc.sh
+++ b/utils/mag2maglef-maglef.localrc.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=maglef ; 
diff --git a/utils/mag2maglef-maglef.sh b/utils/mag2maglef-maglef.sh
index 48f3735..e905083 100755
--- a/utils/mag2maglef-maglef.sh
+++ b/utils/mag2maglef-maglef.sh
@@ -1,4 +1,18 @@
 #!/bin/bash
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 export PDK_ROOT=~/foss/pdks/open_pdks/sky130;
 export MAGTYPE=maglef ; 
diff --git a/verilog/dv/caravel/defs.h b/verilog/dv/caravel/defs.h
index 2402f47..f255737 100644
--- a/verilog/dv/caravel/defs.h
+++ b/verilog/dv/caravel/defs.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef _STRIVE_H_
 #define _STRIVE_H_
 
diff --git a/verilog/dv/caravel/mgmt_soc/gpio/gpio.c b/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
index 1e1e48a..0f9e61b 100644
--- a/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
+++ b/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
index 826bf59..036c40f 100644
--- a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
+++ b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
index e709e91..73be020 100644
--- a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*	
 	StriVe housekeeping SPI testbench.
diff --git a/verilog/dv/caravel/mgmt_soc/mem/mem.c b/verilog/dv/caravel/mgmt_soc/mem/mem.c
index f4e2ea3..e53abad 100644
--- a/verilog/dv/caravel/mgmt_soc/mem/mem.c
+++ b/verilog/dv/caravel/mgmt_soc/mem/mem.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
index 4625f32..0077a90 100644
--- a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
+++ b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
index ffc74a9..8c12a8a 100644
--- a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
index d31b31f..68c58b7 100644
--- a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
+++ b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
index 8413e85..5a5823d 100644
--- a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*	
  *	StriVe housekeeping pass-thru mode SPI testbench.
diff --git a/verilog/dv/caravel/mgmt_soc/perf/perf.c b/verilog/dv/caravel/mgmt_soc/perf/perf.c
index 0d83518..55d680c 100644
--- a/verilog/dv/caravel/mgmt_soc/perf/perf.c
+++ b/verilog/dv/caravel/mgmt_soc/perf/perf.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/pll/pll.c b/verilog/dv/caravel/mgmt_soc/pll/pll.c
index b74860b..d0441d3 100644
--- a/verilog/dv/caravel/mgmt_soc/pll/pll.c
+++ b/verilog/dv/caravel/mgmt_soc/pll/pll.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v b/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
index b9a6dd8..be1b1c4 100644
--- a/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/caravel/mgmt_soc/storage/storage.c b/verilog/dv/caravel/mgmt_soc/storage/storage.c
index b5f7408..8096ec1 100644
--- a/verilog/dv/caravel/mgmt_soc/storage/storage.c
+++ b/verilog/dv/caravel/mgmt_soc/storage/storage.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
index 3d2cefd..b54414c 100644
--- a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
+++ b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
index 509bc20..743d58c 100644
--- a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/caravel/mgmt_soc/timer/timer.c b/verilog/dv/caravel/mgmt_soc/timer/timer.c
index 0ebd8cb..9ab89f0 100644
--- a/verilog/dv/caravel/mgmt_soc/timer/timer.c
+++ b/verilog/dv/caravel/mgmt_soc/timer/timer.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/timer2/timer2.c b/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
index aa98cce..aa59530 100644
--- a/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
+++ b/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 // --------------------------------------------------------
diff --git a/verilog/dv/caravel/mgmt_soc/uart/uart.c b/verilog/dv/caravel/mgmt_soc/uart/uart.c
index 3f8d4c9..b83322b 100644
--- a/verilog/dv/caravel/mgmt_soc/uart/uart.c
+++ b/verilog/dv/caravel/mgmt_soc/uart/uart.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 #include "../../stub.c"
 
diff --git a/verilog/dv/caravel/stub.c b/verilog/dv/caravel/stub.c
index 4d9c970..28090ca 100644
--- a/verilog/dv/caravel/stub.c
+++ b/verilog/dv/caravel/stub.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 void putchar(char c)
 {
 	if (c == '\n')
diff --git a/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c b/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
index f6a829d..7e45bf4 100644
--- a/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
+++ b/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 
 /*
diff --git a/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v b/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
index 63b7c93..4999fd4 100644
--- a/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
+++ b/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c b/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
index a564a9f..a28540f 100644
--- a/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
+++ b/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 #include "../../stub.c"
 
diff --git a/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v b/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
index ed13c40..d3d74d7 100644
--- a/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
+++ b/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c b/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
index 18e185b..2bd97f2 100644
--- a/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
+++ b/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "../../defs.h"
 #include "../../stub.c"
 
diff --git a/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v b/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
index 9c549de..17adcea 100644
--- a/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
+++ b/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/dummy_slave.v b/verilog/dv/dummy_slave.v
index 52ec1cd..add6694 100644
--- a/verilog/dv/dummy_slave.v
+++ b/verilog/dv/dummy_slave.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module dummy_slave(
     input wb_clk_i,
diff --git a/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v b/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
index 67c0aa2..06b729b 100644
--- a/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
+++ b/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v b/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
index 2139330..0f1e1f3 100644
--- a/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
+++ b/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/la_wb/la_wb_tb.v b/verilog/dv/wb_utests/la_wb/la_wb_tb.v
index 4c8a23c..293f1fc 100644
--- a/verilog/dv/wb_utests/la_wb/la_wb_tb.v
+++ b/verilog/dv/wb_utests/la_wb/la_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 `timescale 1 ns / 1 ps
 
diff --git a/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v b/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
index d268736..d7d7772 100644
--- a/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
+++ b/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v b/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
index 1fde261..8609ae2 100644
--- a/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
+++ b/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v b/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
index 5d34c67..3c4d553 100644
--- a/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
+++ b/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v b/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
index 0fb5b09..3a3a15a 100644
--- a/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
+++ b/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v b/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
index e19690e..ee90a86 100644
--- a/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
+++ b/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // `define DBG
 
diff --git a/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v b/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
index d4f0326..a7ae0d9 100644
--- a/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
+++ b/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 `timescale 1 ns / 1 ps
diff --git a/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v b/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
index 56b93f6..debbc74 100644
--- a/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
+++ b/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 
 
diff --git a/verilog/gl/DFFRAM.v b/verilog/gl/DFFRAM.v
index 849fa90..bc350da 100644
--- a/verilog/gl/DFFRAM.v
+++ b/verilog/gl/DFFRAM.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module DFFRAM(CLK, EN, VPWR, VGND, A, Di, Do, WE);
diff --git a/verilog/gl/caravel.v b/verilog/gl/caravel.v
index 6319bdd..c68e423 100644
--- a/verilog/gl/caravel.v
+++ b/verilog/gl/caravel.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module caravel(vddio, vssio, vdda, vssa, vccd, vssd, vdda1, vdda2, vssa1, vssa2, vccd1, vccd2, vssd1, vssd2, gpio, mprj_io, pwr_ctrl_out, clock, resetb, flash_csb, flash_clk, flash_io0, flash_io1);
diff --git a/verilog/gl/chip_io.v b/verilog/gl/chip_io.v
index 9fcb5ac..9c6bb4a 100644
--- a/verilog/gl/chip_io.v
+++ b/verilog/gl/chip_io.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module chip_io(vddio, vssio, vccd, vssd, vdda, vssa, vdda1, vdda2, vssa1, vssa2, vccd1, vccd2, vssd1, vssd2, gpio, clock, resetb, flash_csb, flash_clk, flash_io0, flash_io1, porb_h, por, resetb_core_h, clock_core, gpio_out_core, gpio_in_core, gpio_mode0_core, gpio_mode1_core, gpio_outenb_core, gpio_inenb_core, flash_csb_core, flash_clk_core, flash_csb_oeb_core, flash_clk_oeb_core, flash_io0_oeb_core, flash_io1_oeb_core, flash_csb_ieb_core, flash_clk_ieb_core, flash_io0_ieb_core, flash_io1_ieb_core, flash_io0_do_core, flash_io1_do_core, flash_io0_di_core, flash_io1_di_core, mprj_io, mprj_io_out, mprj_io_oeb, mprj_io_hldh_n, mprj_io_enh, mprj_io_inp_dis, mprj_io_ib_mode_sel, mprj_io_vtrip_sel, mprj_io_slow_sel, mprj_io_holdover, mprj_io_analog_en, mprj_io_analog_sel, mprj_io_analog_pol, mprj_io_dm, mprj_io_in, mprj_analog_io);
diff --git a/verilog/gl/digital_pll.v b/verilog/gl/digital_pll.v
index 5e2d1f3..001afab 100644
--- a/verilog/gl/digital_pll.v
+++ b/verilog/gl/digital_pll.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module digital_pll(dco, enable, osc, resetb, VPWR, VGND, clockp, div, ext_trim);
diff --git a/verilog/gl/gpio_control_block.v b/verilog/gl/gpio_control_block.v
index 30ac390..7ef8381 100644
--- a/verilog/gl/gpio_control_block.v
+++ b/verilog/gl/gpio_control_block.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module gpio_control_block(mgmt_gpio_in, mgmt_gpio_oeb, mgmt_gpio_out, pad_gpio_ana_en, pad_gpio_ana_pol, pad_gpio_ana_sel, pad_gpio_holdover, pad_gpio_ib_mode_sel, pad_gpio_in, pad_gpio_inenb, pad_gpio_out, pad_gpio_outenb, pad_gpio_slow_sel, pad_gpio_vtrip_sel, resetn, serial_clock, serial_data_in, serial_data_out, user_gpio_in, user_gpio_oeb, user_gpio_out, VPWR, VGND, pad_gpio_dm);
diff --git a/verilog/gl/mgmt_core.v b/verilog/gl/mgmt_core.v
index 3cc7f78..17ce650 100644
--- a/verilog/gl/mgmt_core.v
+++ b/verilog/gl/mgmt_core.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module mgmt_core(clock, core_clk, core_rstn, flash_clk, flash_clk_ieb, flash_clk_oeb, flash_csb, flash_csb_ieb, flash_csb_oeb, flash_io0_di, flash_io0_do, flash_io0_ieb, flash_io0_oeb, flash_io1_di, flash_io1_do, flash_io1_ieb, flash_io1_oeb, gpio_in_pad, gpio_inenb_pad, gpio_mode0_pad, gpio_mode1_pad, gpio_out_pad, gpio_outenb_pad, jtag_out, jtag_outenb, mgmt_ena_ro, mprj2_vcc_pwrgood, mprj2_vdd_pwrgood, mprj_ack_i, mprj_cyc_o, mprj_io_loader_clock, mprj_io_loader_data, mprj_io_loader_resetn, mprj_stb_o, mprj_vcc_pwrgood, mprj_vdd_pwrgood, mprj_we_o, porb, resetb, sdo_out, sdo_outenb, user_clk, VPWR, VGND, la_input, la_oen, la_output, mask_rev, mgmt_addr, mgmt_addr_ro, mgmt_ena, mgmt_in_data, mgmt_out_data, mgmt_rdata, mgmt_rdata_ro, mgmt_wdata, mgmt_wen, mgmt_wen_mask, mprj_adr_o, mprj_dat_i, mprj_dat_o, mprj_sel_o, pwr_ctrl_out);
diff --git a/verilog/gl/mgmt_protect.v b/verilog/gl/mgmt_protect.v
index f1efcea..40d5357 100644
--- a/verilog/gl/mgmt_protect.v
+++ b/verilog/gl/mgmt_protect.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module mgmt_protect(caravel_clk, caravel_clk2, caravel_rstn, mprj_cyc_o_core, mprj_cyc_o_user, mprj_stb_o_core, mprj_stb_o_user, mprj_we_o_core, mprj_we_o_user, user1_vcc_powergood, user1_vdd_powergood, user2_vcc_powergood, user2_vdd_powergood, user_clock, user_clock2, user_reset, user_resetn, VPWR, VGND, la_data_in_core, la_data_in_mprj, la_data_out_core, la_data_out_mprj, la_oen_core, la_oen_mprj, mprj_adr_o_core, mprj_adr_o_user, mprj_dat_o_core, mprj_dat_o_user, mprj_sel_o_core, mprj_sel_o_user);
diff --git a/verilog/gl/mgmt_protect_hv.v b/verilog/gl/mgmt_protect_hv.v
index 22aa5c2..68a4634 100644
--- a/verilog/gl/mgmt_protect_hv.v
+++ b/verilog/gl/mgmt_protect_hv.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module mgmt_protect_hv(mprj2_vdd_logic1, mprj_vdd_logic1, VPWR, VGND);
diff --git a/verilog/gl/simple_por.v b/verilog/gl/simple_por.v
index 2291444..ce4133b 100644
--- a/verilog/gl/simple_por.v
+++ b/verilog/gl/simple_por.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
diff --git a/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v b/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
index 856b665..7dbac90 100644
--- a/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
+++ b/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped(A, X, VPWR, VGND);
diff --git a/verilog/gl/storage.v b/verilog/gl/storage.v
index a629e82..5c4fe5f 100644
--- a/verilog/gl/storage.v
+++ b/verilog/gl/storage.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
diff --git a/verilog/gl/user_id_programming.v b/verilog/gl/user_id_programming.v
index 25f9057..78dbd63 100644
--- a/verilog/gl/user_id_programming.v
+++ b/verilog/gl/user_id_programming.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module user_id_programming(VPWR, VGND, mask_rev);
diff --git a/verilog/gl/user_proj_example.v b/verilog/gl/user_proj_example.v
index c24b3f2..8267ec2 100644
--- a/verilog/gl/user_proj_example.v
+++ b/verilog/gl/user_proj_example.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+3621 (git sha1 84e9fa7, gcc 8.3.1 -fPIC -Os) */
 
 module user_proj_example(wb_clk_i, wb_rst_i, wbs_ack_o, wbs_cyc_i, wbs_stb_i, wbs_we_i, VPWR, VGND, io_in, io_oeb, io_out, la_data_in, la_data_out, la_oen, wbs_adr_i, wbs_dat_i, wbs_dat_o, wbs_sel_i);
diff --git a/verilog/gl/user_project_wrapper.v b/verilog/gl/user_project_wrapper.v
index b4f15fa..8fda509 100644
--- a/verilog/gl/user_project_wrapper.v
+++ b/verilog/gl/user_project_wrapper.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Generated by Yosys 0.9+2406 (git sha1 347dd01, gcc 8.3.1 -fPIC -Os) */
 
 module user_project_wrapper(user_clock2, vccd1, vccd2, vdda1, vdda2, vssa1, vssa2, vssd1, vssd2, wb_clk_i, wb_rst_i, wbs_ack_o, wbs_cyc_i, wbs_stb_i, wbs_we_i, VPWR, VGND, io_in, io_oeb, io_out, la_data_in, la_data_out, la_oen, wbs_adr_i, wbs_dat_i, wbs_dat_o, wbs_sel_i);
diff --git a/verilog/rtl/DFFRAM.v b/verilog/rtl/DFFRAM.v
index c6af2a6..615dfaa 100644
--- a/verilog/rtl/DFFRAM.v
+++ b/verilog/rtl/DFFRAM.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 `ifndef USE_CUSTOM_DFFRAM
 
diff --git a/verilog/rtl/DFFRAMBB.v b/verilog/rtl/DFFRAMBB.v
index 712a253..dd2f71d 100644
--- a/verilog/rtl/DFFRAMBB.v
+++ b/verilog/rtl/DFFRAMBB.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*
     Building blocks for DFF based RAM compiler for SKY130A 
diff --git a/verilog/rtl/caravel_clocking.v b/verilog/rtl/caravel_clocking.v
index 4abdae9..e187d47 100644
--- a/verilog/rtl/caravel_clocking.v
+++ b/verilog/rtl/caravel_clocking.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // This routine synchronizes the 
 
diff --git a/verilog/rtl/chip_io.v b/verilog/rtl/chip_io.v
index bbc238d..55b5832 100644
--- a/verilog/rtl/chip_io.v
+++ b/verilog/rtl/chip_io.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // `default_nettype none
 module chip_io(
 	// Package Pins
diff --git a/verilog/rtl/clock_div.v b/verilog/rtl/clock_div.v
index 6f898df..b29ac94 100644
--- a/verilog/rtl/clock_div.v
+++ b/verilog/rtl/clock_div.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Integer-N clock divider */
 `default_nettype none
  
diff --git a/verilog/rtl/convert_gpio_sigs.v b/verilog/rtl/convert_gpio_sigs.v
index 89ee8b5..c9aeefa 100644
--- a/verilog/rtl/convert_gpio_sigs.v
+++ b/verilog/rtl/convert_gpio_sigs.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* Convert the standard set of GPIO signals: input, output, output_enb,
  * pullup, and pulldown into the set needed by the s8 GPIO pads:
diff --git a/verilog/rtl/counter_timer_high.v b/verilog/rtl/counter_timer_high.v
index 2f1ea58..81c8b0e 100755
--- a/verilog/rtl/counter_timer_high.v
+++ b/verilog/rtl/counter_timer_high.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* Simple 32-bit counter-timer for Caravel. */
 
diff --git a/verilog/rtl/counter_timer_low.v b/verilog/rtl/counter_timer_low.v
index fd94d2c..7dd30bc 100755
--- a/verilog/rtl/counter_timer_low.v
+++ b/verilog/rtl/counter_timer_low.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* Simple 32-bit counter-timer for Caravel. */
 
diff --git a/verilog/rtl/defines.v b/verilog/rtl/defines.v
index b9df2bd..eb99a7b 100644
--- a/verilog/rtl/defines.v
+++ b/verilog/rtl/defines.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // Global parameters
 
diff --git a/verilog/rtl/digital_pll.v b/verilog/rtl/digital_pll.v
index 9840a7d..395a207 100644
--- a/verilog/rtl/digital_pll.v
+++ b/verilog/rtl/digital_pll.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // Digital PLL (ring oscillator + controller)
 // Technically this is a frequency locked loop, not a phase locked loop.
diff --git a/verilog/rtl/digital_pll_controller.v b/verilog/rtl/digital_pll_controller.v
index 0cd59b0..8014131 100644
--- a/verilog/rtl/digital_pll_controller.v
+++ b/verilog/rtl/digital_pll_controller.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // (True) digital PLL
 //
diff --git a/verilog/rtl/gpio_control_block.v b/verilog/rtl/gpio_control_block.v
index 9f9ac7a..109dd9a 100644
--- a/verilog/rtl/gpio_control_block.v
+++ b/verilog/rtl/gpio_control_block.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /* 
  *---------------------------------------------------------------------
diff --git a/verilog/rtl/gpio_wb.v b/verilog/rtl/gpio_wb.v
index 70bf65e..a89464b 100644
--- a/verilog/rtl/gpio_wb.v
+++ b/verilog/rtl/gpio_wb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module gpio_wb # (
     parameter BASE_ADR  = 32'h 2100_0000,
diff --git a/verilog/rtl/housekeeping_spi.v b/verilog/rtl/housekeeping_spi.v
index 7931d38..73a579a 100644
--- a/verilog/rtl/housekeeping_spi.v
+++ b/verilog/rtl/housekeeping_spi.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 //-------------------------------------
 // SPI controller for Caravel (PicoSoC)
diff --git a/verilog/rtl/la_wb.v b/verilog/rtl/la_wb.v
index 07dfc90..1d9910d 100644
--- a/verilog/rtl/la_wb.v
+++ b/verilog/rtl/la_wb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module la_wb # (
     parameter BASE_ADR  = 32'h 2200_0000,
diff --git a/verilog/rtl/mem_wb.v b/verilog/rtl/mem_wb.v
index 67e1f44..23c7b22 100644
--- a/verilog/rtl/mem_wb.v
+++ b/verilog/rtl/mem_wb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module mem_wb (
 `ifdef USE_POWER_PINS
diff --git a/verilog/rtl/mgmt_core.v b/verilog/rtl/mgmt_core.v
index cf2b996..b706079 100644
--- a/verilog/rtl/mgmt_core.v
+++ b/verilog/rtl/mgmt_core.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module mgmt_core (
 `ifdef USE_POWER_PINS
diff --git a/verilog/rtl/mgmt_protect.v b/verilog/rtl/mgmt_protect.v
index 0c6840d..2e03158 100644
--- a/verilog/rtl/mgmt_protect.v
+++ b/verilog/rtl/mgmt_protect.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*----------------------------------------------------------------------*/
 /* Buffers protecting the management region from the user region.	*/
diff --git a/verilog/rtl/mgmt_protect_hv.v b/verilog/rtl/mgmt_protect_hv.v
index dbd04bb..f2ea418 100644
--- a/verilog/rtl/mgmt_protect_hv.v
+++ b/verilog/rtl/mgmt_protect_hv.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*----------------------------------------------------------------------*/
 /* mgmt_protect_hv:							*/
diff --git a/verilog/rtl/mprj_ctrl.v b/verilog/rtl/mprj_ctrl.v
index b31c23a..b7f02da 100644
--- a/verilog/rtl/mprj_ctrl.v
+++ b/verilog/rtl/mprj_ctrl.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module mprj_ctrl_wb #(
     parameter BASE_ADR  = 32'h 2300_0000,
diff --git a/verilog/rtl/mprj_io.v b/verilog/rtl/mprj_io.v
index ad59c18..34fb303 100644
--- a/verilog/rtl/mprj_io.v
+++ b/verilog/rtl/mprj_io.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // `default_nettype none
 module mprj_io #(
     parameter AREA1PADS = 18	// Highest numbered pad in area 1
diff --git a/verilog/rtl/pads.v b/verilog/rtl/pads.v
index 0e914b6..25bc89f 100644
--- a/verilog/rtl/pads.v
+++ b/verilog/rtl/pads.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // `default_nettype none
 `ifndef TOP_ROUTING 
 	`define USER1_ABUTMENT_PINS \
diff --git a/verilog/rtl/ring_osc2x13.v b/verilog/rtl/ring_osc2x13.v
index 324c2c7..c371e34 100644
--- a/verilog/rtl/ring_osc2x13.v
+++ b/verilog/rtl/ring_osc2x13.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // Tunable ring oscillator---synthesizable (physical) version.
 //
diff --git a/verilog/rtl/simple_por.v b/verilog/rtl/simple_por.v
index 7fef90d..faf7ffb 100644
--- a/verilog/rtl/simple_por.v
+++ b/verilog/rtl/simple_por.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 `timescale 1 ns / 1 ps
 
diff --git a/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v b/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
index f992c1e..71ee6b5 100644
--- a/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
+++ b/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 module sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped (
 	X    ,
 	A    ,
diff --git a/verilog/rtl/sram_1rw1r_32_256_8_sky130.v b/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
index afbfa12..86985ec 100644
--- a/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
+++ b/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // OpenRAM SRAM model
 // Words: 256
diff --git a/verilog/rtl/storage.v b/verilog/rtl/storage.v
index a290525..e671cc5 100644
--- a/verilog/rtl/storage.v
+++ b/verilog/rtl/storage.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
  
 module storage (
diff --git a/verilog/rtl/storage_bridge_wb.v b/verilog/rtl/storage_bridge_wb.v
index bf70052..3e46251 100644
--- a/verilog/rtl/storage_bridge_wb.v
+++ b/verilog/rtl/storage_bridge_wb.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module storage_bridge_wb (
     // MGMT_AREA R/W WB Interface
diff --git a/verilog/rtl/sysctrl.v b/verilog/rtl/sysctrl.v
index 7f11f75..93f2dcb 100644
--- a/verilog/rtl/sysctrl.v
+++ b/verilog/rtl/sysctrl.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module sysctrl_wb #(
     parameter BASE_ADR     = 32'h2F00_0000,
diff --git a/verilog/rtl/user_id_programming.v b/verilog/rtl/user_id_programming.v
index ce1f42b..f25d08f 100644
--- a/verilog/rtl/user_id_programming.v
+++ b/verilog/rtl/user_id_programming.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 // This module represents an unprogrammed mask revision
 // block that is configured with via programming on the
diff --git a/verilog/rtl/user_proj_example.v b/verilog/rtl/user_proj_example.v
index 3445aa0..be1cadb 100644
--- a/verilog/rtl/user_proj_example.v
+++ b/verilog/rtl/user_proj_example.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*
  *-------------------------------------------------------------
diff --git a/verilog/rtl/user_project_wrapper.v b/verilog/rtl/user_project_wrapper.v
index 0b23a50..6ea1eef 100644
--- a/verilog/rtl/user_project_wrapper.v
+++ b/verilog/rtl/user_project_wrapper.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 /*
  *-------------------------------------------------------------
diff --git a/verilog/rtl/wb_intercon.v b/verilog/rtl/wb_intercon.v
index 6c3ab52..e0c7358 100644
--- a/verilog/rtl/wb_intercon.v
+++ b/verilog/rtl/wb_intercon.v
@@ -1,3 +1,17 @@
+// Copyright 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 `default_nettype none
 module wb_intercon #(
     parameter DW = 32,          // Data Width