Revised copyright message.
diff --git a/core/json/pom.xml b/core/json/pom.xml
index 63dfe57..a425b0d 100644
--- a/core/json/pom.xml
+++ b/core/json/pom.xml
@@ -1,4 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2014 Open Networking Laboratory
+  ~
+  ~ 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 xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
diff --git a/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java b/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java
index d89f31b..b46510c 100644
--- a/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java
+++ b/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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 org.onlab.onos.json.impl;
 
 /**
diff --git a/core/json/src/main/java/org/onlab/onos/json/impl/package-info.java b/core/json/src/main/java/org/onlab/onos/json/impl/package-info.java
index 406641f..9ff299d 100644
--- a/core/json/src/main/java/org/onlab/onos/json/impl/package-info.java
+++ b/core/json/src/main/java/org/onlab/onos/json/impl/package-info.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.
+ */
+
 /**
  * Implementation of JSON codec factory and of the builtin codecs.
  */