diff --git a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistry.java b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistry.java
index e5f64b3a6..40509d5d9 100644
--- a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistry.java
+++ b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistry.java
@@ -1,3 +1,17 @@
+// Copyright 2020 The MediaPipe Authors.
+//
+// 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 com.google.mediapipe.framework;
 
 import com.google.protobuf.MessageLite;
diff --git a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryFull.java b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryFull.java
index b4a48d22f..1a424d63a 100644
--- a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryFull.java
+++ b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryFull.java
@@ -1,3 +1,17 @@
+// Copyright 2020 The MediaPipe Authors.
+//
+// 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 com.google.mediapipe.framework;
 
 import com.google.protobuf.MessageLite;
diff --git a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryLite.java b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryLite.java
index d62957352..faf1181ac 100644
--- a/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryLite.java
+++ b/mediapipe/java/com/google/mediapipe/framework/TypeNameRegistryLite.java
@@ -1,3 +1,17 @@
+// Copyright 2020 The MediaPipe Authors.
+//
+// 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 com.google.mediapipe.framework;
 
 import com.google.protobuf.MessageLite;