diff --git a/core/common/src/main/java/org/onosproject/codec/impl/GroupCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/GroupCodec.java
new file mode 100644
index 0000000..a2f33ce
--- /dev/null
+++ b/core/common/src/main/java/org/onosproject/codec/impl/GroupCodec.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2015 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.onosproject.codec.impl;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupBucket;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Group JSON codec.
+ */
+public final class GroupCodec extends JsonCodec<Group> {
+    // JSON field names
+    private static final String ID = "id";
+    private static final String STATE = "state";
+    private static final String LIFE = "life";
+    private static final String PACKETS = "packets";
+    private static final String BYTES = "bytes";
+    private static final String REFERENCE_COUNT = "referenceCount";
+    private static final String TYPE = "type";
+    private static final String DEVICE_ID = "deviceId";
+    private static final String APP_ID = "appId";
+    private static final String APP_COOKIE  = "appCookie";
+    private static final String GIVEN_GROUP_ID  = "givenGroupId";
+    private static final String BUCKETS = "buckets";
+
+    @Override
+    public ObjectNode encode(Group group, CodecContext context) {
+        checkNotNull(group, "Group cannot be null");
+        ObjectNode result = context.mapper().createObjectNode()
+                .put(ID, group.id().toString())
+                .put(STATE, group.state().toString())
+                .put(LIFE, group.life())
+                .put(PACKETS, group.packets())
+                .put(BYTES, group.bytes())
+                .put(REFERENCE_COUNT, group.referenceCount())
+                .put(TYPE, group.type().toString())
+                .put(DEVICE_ID, group.deviceId().toString());
+
+        if (group.appId() != null) {
+            result.put(APP_ID, group.appId().toString());
+        }
+
+        if (group.appCookie() != null) {
+            result.put(APP_COOKIE, group.appCookie().toString());
+        }
+
+        if (group.givenGroupId() != null) {
+            result.put(GIVEN_GROUP_ID, group.givenGroupId());
+        }
+
+        ArrayNode buckets = context.mapper().createArrayNode();
+        group.buckets().buckets().forEach(bucket -> {
+                    ObjectNode bucketJson = context.codec(GroupBucket.class).encode(bucket, context);
+                    buckets.add(bucketJson);
+                });
+        result.set(BUCKETS, buckets);
+        return result;
+    }
+}