diff --git a/apps/blemesh_models_example_1/src/main.c b/apps/blemesh_models_example_1/src/main.c
index 5e73fc1bd..820378056 100644
--- a/apps/blemesh_models_example_1/src/main.c
+++ b/apps/blemesh_models_example_1/src/main.c
@@ -1,5 +1,24 @@
 /* main.c - Application main entry point */
 
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /*
  * Copyright (c) 2017 Intel Corporation
  *
diff --git a/apps/blemesh_models_example_2/src/app_gpio.c b/apps/blemesh_models_example_2/src/app_gpio.c
index 0dba0e396..4f698326e 100644
--- a/apps/blemesh_models_example_2/src/app_gpio.c
+++ b/apps/blemesh_models_example_2/src/app_gpio.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/app_gpio.h b/apps/blemesh_models_example_2/src/app_gpio.h
index a92932a49..6eabc1ce2 100644
--- a/apps/blemesh_models_example_2/src/app_gpio.h
+++ b/apps/blemesh_models_example_2/src/app_gpio.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/ble_mesh.c b/apps/blemesh_models_example_2/src/ble_mesh.c
index 096cce394..86d4c5152 100644
--- a/apps/blemesh_models_example_2/src/ble_mesh.c
+++ b/apps/blemesh_models_example_2/src/ble_mesh.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/ble_mesh.h b/apps/blemesh_models_example_2/src/ble_mesh.h
index 409b36b2e..c02af243b 100644
--- a/apps/blemesh_models_example_2/src/ble_mesh.h
+++ b/apps/blemesh_models_example_2/src/ble_mesh.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/common.h b/apps/blemesh_models_example_2/src/common.h
index 3d42d2471..57cd401a5 100644
--- a/apps/blemesh_models_example_2/src/common.h
+++ b/apps/blemesh_models_example_2/src/common.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/device_composition.c b/apps/blemesh_models_example_2/src/device_composition.c
index 3e6b3832c..75270b4af 100644
--- a/apps/blemesh_models_example_2/src/device_composition.c
+++ b/apps/blemesh_models_example_2/src/device_composition.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/device_composition.h b/apps/blemesh_models_example_2/src/device_composition.h
index 596e74c16..38507195f 100644
--- a/apps/blemesh_models_example_2/src/device_composition.h
+++ b/apps/blemesh_models_example_2/src/device_composition.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/main.c b/apps/blemesh_models_example_2/src/main.c
index 62dfd3a99..31064d357 100644
--- a/apps/blemesh_models_example_2/src/main.c
+++ b/apps/blemesh_models_example_2/src/main.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/no_transition_work_handler.c b/apps/blemesh_models_example_2/src/no_transition_work_handler.c
index 9e0fceab5..d51b6f481 100644
--- a/apps/blemesh_models_example_2/src/no_transition_work_handler.c
+++ b/apps/blemesh_models_example_2/src/no_transition_work_handler.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/no_transition_work_handler.h b/apps/blemesh_models_example_2/src/no_transition_work_handler.h
index 2b9037980..618cb643b 100644
--- a/apps/blemesh_models_example_2/src/no_transition_work_handler.h
+++ b/apps/blemesh_models_example_2/src/no_transition_work_handler.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/publisher.c b/apps/blemesh_models_example_2/src/publisher.c
index bdb8692cc..419ac8bbd 100644
--- a/apps/blemesh_models_example_2/src/publisher.c
+++ b/apps/blemesh_models_example_2/src/publisher.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/publisher.h b/apps/blemesh_models_example_2/src/publisher.h
index 8ea169de4..abf6b2986 100644
--- a/apps/blemesh_models_example_2/src/publisher.h
+++ b/apps/blemesh_models_example_2/src/publisher.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/state_binding.c b/apps/blemesh_models_example_2/src/state_binding.c
index 715ba6097..ae539433c 100644
--- a/apps/blemesh_models_example_2/src/state_binding.c
+++ b/apps/blemesh_models_example_2/src/state_binding.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/state_binding.h b/apps/blemesh_models_example_2/src/state_binding.h
index 014850061..db1f2a2e9 100644
--- a/apps/blemesh_models_example_2/src/state_binding.h
+++ b/apps/blemesh_models_example_2/src/state_binding.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/storage.c b/apps/blemesh_models_example_2/src/storage.c
index 86f8bdc8f..693853307 100644
--- a/apps/blemesh_models_example_2/src/storage.c
+++ b/apps/blemesh_models_example_2/src/storage.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/storage.h b/apps/blemesh_models_example_2/src/storage.h
index 5180dff2d..b93275367 100644
--- a/apps/blemesh_models_example_2/src/storage.h
+++ b/apps/blemesh_models_example_2/src/storage.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/transition.c b/apps/blemesh_models_example_2/src/transition.c
index 8af549c32..e50fe239a 100644
--- a/apps/blemesh_models_example_2/src/transition.c
+++ b/apps/blemesh_models_example_2/src/transition.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/blemesh_models_example_2/src/transition.h b/apps/blemesh_models_example_2/src/transition.h
index ebc00cdbf..bbe9b00bb 100644
--- a/apps/blemesh_models_example_2/src/transition.h
+++ b/apps/blemesh_models_example_2/src/transition.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
  *
  * Copyright (c) 2018 Vikrant More
diff --git a/apps/bttester/src/atomic.h b/apps/bttester/src/atomic.h
index 9af3344f8..66283e9ac 100644
--- a/apps/bttester/src/atomic.h
+++ b/apps/bttester/src/atomic.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* atomic operations */
 
 /*
diff --git a/apps/bttester/src/bttester.c b/apps/bttester/src/bttester.c
index 39ef42fed..088b6ebd0 100644
--- a/apps/bttester/src/bttester.c
+++ b/apps/bttester/src/bttester.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* bttester.c - Bluetooth Tester */
 
 /*
diff --git a/apps/bttester/src/bttester.h b/apps/bttester/src/bttester.h
index e161ecaea..59a13c323 100644
--- a/apps/bttester/src/bttester.h
+++ b/apps/bttester/src/bttester.h
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* bttester.h - Bluetooth tester headers */
 
 /*
diff --git a/apps/bttester/src/gap.c b/apps/bttester/src/gap.c
index 81ed07749..961cf7351 100644
--- a/apps/bttester/src/gap.c
+++ b/apps/bttester/src/gap.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* gap.c - Bluetooth GAP Tester */
 
 /*
diff --git a/apps/bttester/src/gatt.c b/apps/bttester/src/gatt.c
index 2cda6193a..85843509d 100644
--- a/apps/bttester/src/gatt.c
+++ b/apps/bttester/src/gatt.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* gatt.c - Bluetooth GATT Server Tester */
 
 /*
diff --git a/apps/bttester/src/l2cap.c b/apps/bttester/src/l2cap.c
index f1b801cbb..26c2b1ccd 100644
--- a/apps/bttester/src/l2cap.c
+++ b/apps/bttester/src/l2cap.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* l2cap.c - Bluetooth L2CAP Tester */
 
 /*
diff --git a/apps/bttester/src/main.c b/apps/bttester/src/main.c
index faa54c295..ea130805c 100644
--- a/apps/bttester/src/main.c
+++ b/apps/bttester/src/main.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* main.c - Application main entry point */
 
 /*
diff --git a/apps/bttester/src/mesh.c b/apps/bttester/src/mesh.c
index d3186b09c..05c320df7 100644
--- a/apps/bttester/src/mesh.c
+++ b/apps/bttester/src/mesh.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 /* mesh.c - Bluetooth Mesh Tester */
 
 /*
diff --git a/porting/examples/linux/Makefile b/porting/examples/linux/Makefile
index faa959b66..4217ea3a5 100644
--- a/porting/examples/linux/Makefile
+++ b/porting/examples/linux/Makefile
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
 # Toolchain commands
 CROSS_COMPILE ?=
 CC      := ccache $(CROSS_COMPLIE)gcc
diff --git a/porting/examples/linux_blemesh/Makefile b/porting/examples/linux_blemesh/Makefile
index 49f50447d..0e9342498 100644
--- a/porting/examples/linux_blemesh/Makefile
+++ b/porting/examples/linux_blemesh/Makefile
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
 # Toolchain commands
 CROSS_COMPILE ?=
 CC      := ccache $(CROSS_COMPLIE)gcc
diff --git a/porting/npl/linux/test/Makefile b/porting/npl/linux/test/Makefile
index ad61ba4e6..c0be3d5f8 100644
--- a/porting/npl/linux/test/Makefile
+++ b/porting/npl/linux/test/Makefile
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
 # Makefile
 
 PROJ_ROOT = ../../../..