diff --git a/examples/aggregate/handlers/aggregate_global.c b/examples/aggregate/handlers/aggregate_global.c
index c3e033f..e808c02 100644
--- a/examples/aggregate/handlers/aggregate_global.c
+++ b/examples/aggregate/handlers/aggregate_global.c
@@ -1,3 +1,17 @@
+// Copyright 2020 ETH Zurich
+//
+// 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 HOST
 #include <handler.h>
 #else
diff --git a/examples/copy_from_host/handlers/copy_from_host.c b/examples/copy_from_host/handlers/copy_from_host.c
index 457667b..d202ce9 100644
--- a/examples/copy_from_host/handlers/copy_from_host.c
+++ b/examples/copy_from_host/handlers/copy_from_host.c
@@ -1,3 +1,17 @@
+// Copyright 2020 ETH Zurich
+//
+// 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 HOST
 #include <handler.h>
 #include <packets.h>
diff --git a/examples/copy_to_host/handlers/copy_to_host.c b/examples/copy_to_host/handlers/copy_to_host.c
index 8393863..5bc6d6c 100644
--- a/examples/copy_to_host/handlers/copy_to_host.c
+++ b/examples/copy_to_host/handlers/copy_to_host.c
@@ -1,3 +1,17 @@
+// Copyright 2020 ETH Zurich
+//
+// 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 HOST
 #include <handler.h>
 #include <packets.h>
diff --git a/examples/empty/handlers/empty.c b/examples/empty/handlers/empty.c
index ecc40f6..1a727d9 100644
--- a/examples/empty/handlers/empty.c
+++ b/examples/empty/handlers/empty.c
@@ -1,4 +1,18 @@
 
+// Copyright 2020 ETH Zurich
+//
+// 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 HOST
 #include <handler.h>
 #include <packets.h>
diff --git a/examples/histogram/handlers/histogram_l1.c b/examples/histogram/handlers/histogram_l1.c
index c56e4c2..7cafced 100644
--- a/examples/histogram/handlers/histogram_l1.c
+++ b/examples/histogram/handlers/histogram_l1.c
@@ -1,3 +1,17 @@
+// Copyright 2020 ETH Zurich
+//
+// 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 HOST
 #include <handler.h>
 #else