diff --git a/core/net/src/main/java/org/onlab/onos/net/topology/impl/DefaultTopologyProvider.java b/core/net/src/main/java/org/onlab/onos/net/topology/impl/DefaultTopologyProvider.java
index 0efd08b..33830aa 100644
--- a/core/net/src/main/java/org/onlab/onos/net/topology/impl/DefaultTopologyProvider.java
+++ b/core/net/src/main/java/org/onlab/onos/net/topology/impl/DefaultTopologyProvider.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.net.topology.impl;
 
 import org.apache.felix.scr.annotations.Activate;
diff --git a/core/net/src/main/java/org/onlab/onos/net/topology/impl/PathManager.java b/core/net/src/main/java/org/onlab/onos/net/topology/impl/PathManager.java
index 849ac6d..433cdcd 100644
--- a/core/net/src/main/java/org/onlab/onos/net/topology/impl/PathManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/topology/impl/PathManager.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.net.topology.impl;
 
 import com.google.common.collect.ImmutableSet;
diff --git a/core/net/src/main/java/org/onlab/onos/net/topology/impl/TopologyManager.java b/core/net/src/main/java/org/onlab/onos/net/topology/impl/TopologyManager.java
index 4846944..de72c52 100644
--- a/core/net/src/main/java/org/onlab/onos/net/topology/impl/TopologyManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/topology/impl/TopologyManager.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.net.topology.impl;
 
 import org.apache.felix.scr.annotations.Activate;
diff --git a/core/net/src/main/java/org/onlab/onos/net/topology/impl/package-info.java b/core/net/src/main/java/org/onlab/onos/net/topology/impl/package-info.java
index 17c3644..c76dcef 100644
--- a/core/net/src/main/java/org/onlab/onos/net/topology/impl/package-info.java
+++ b/core/net/src/main/java/org/onlab/onos/net/topology/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.
+ */
+
 /**
  * Core subsystem for tracking global &amp; consistent topology graph views.
  */