diff --git a/utils/osgi/src/main/java/org/onlab/osgi/DefaultServiceDirectory.java b/utils/osgi/src/main/java/org/onlab/osgi/DefaultServiceDirectory.java
index bc401fb..ab61359 100644
--- a/utils/osgi/src/main/java/org/onlab/osgi/DefaultServiceDirectory.java
+++ b/utils/osgi/src/main/java/org/onlab/osgi/DefaultServiceDirectory.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.onlab.osgi;
 
 import org.osgi.framework.BundleContext;
diff --git a/utils/osgi/src/main/java/org/onlab/osgi/ServiceDirectory.java b/utils/osgi/src/main/java/org/onlab/osgi/ServiceDirectory.java
index ee33fa2..d522d6b 100644
--- a/utils/osgi/src/main/java/org/onlab/osgi/ServiceDirectory.java
+++ b/utils/osgi/src/main/java/org/onlab/osgi/ServiceDirectory.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.onlab.osgi;
 
 /**
diff --git a/utils/osgi/src/main/java/org/onlab/osgi/ServiceNotFoundException.java b/utils/osgi/src/main/java/org/onlab/osgi/ServiceNotFoundException.java
index 4a79622..4871e0c 100644
--- a/utils/osgi/src/main/java/org/onlab/osgi/ServiceNotFoundException.java
+++ b/utils/osgi/src/main/java/org/onlab/osgi/ServiceNotFoundException.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.onlab.osgi;
 
 /**
diff --git a/utils/osgi/src/main/java/org/onlab/osgi/TestServiceDirectory.java b/utils/osgi/src/main/java/org/onlab/osgi/TestServiceDirectory.java
index 7fecbc3..8a3c769 100644
--- a/utils/osgi/src/main/java/org/onlab/osgi/TestServiceDirectory.java
+++ b/utils/osgi/src/main/java/org/onlab/osgi/TestServiceDirectory.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.onlab.osgi;
 
 import com.google.common.collect.ClassToInstanceMap;
diff --git a/utils/osgi/src/main/java/org/onlab/osgi/package-info.java b/utils/osgi/src/main/java/org/onlab/osgi/package-info.java
index 6d9a24c..1aef0f4 100644
--- a/utils/osgi/src/main/java/org/onlab/osgi/package-info.java
+++ b/utils/osgi/src/main/java/org/onlab/osgi/package-info.java
@@ -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.
+ */
+
 /**
  * Facilities for building testable components in OSGi independent fashion.
  */