diff --git a/src/app/core/services/helpers/component-injector.helpers.spec.ts b/src/app/core/services/helpers/component-injector.helpers.spec.ts
index cb6ee6d..edec97c 100644
--- a/src/app/core/services/helpers/component-injector.helpers.spec.ts
+++ b/src/app/core/services/helpers/component-injector.helpers.spec.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 import * as angular from 'angular';
 import 'angular-mocks';
 import 'angular-ui-router';
diff --git a/src/app/core/services/helpers/component-injector.helpers.ts b/src/app/core/services/helpers/component-injector.helpers.ts
index 9fc475b..ff32f0d 100644
--- a/src/app/core/services/helpers/component-injector.helpers.ts
+++ b/src/app/core/services/helpers/component-injector.helpers.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 import * as $ from 'jquery';
 import * as _ from 'lodash';
 
diff --git a/src/app/core/services/helpers/config.helpers.spec.ts b/src/app/core/services/helpers/config.helpers.spec.ts
index 5b2ae07..00de431 100644
--- a/src/app/core/services/helpers/config.helpers.spec.ts
+++ b/src/app/core/services/helpers/config.helpers.spec.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 import * as angular from 'angular';
 import 'angular-mocks';
 import 'angular-ui-router';
diff --git a/src/app/core/services/helpers/config.helpers.ts b/src/app/core/services/helpers/config.helpers.ts
index 5dbd74e..7cd8991 100644
--- a/src/app/core/services/helpers/config.helpers.ts
+++ b/src/app/core/services/helpers/config.helpers.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 import * as _ from 'lodash';
 import * as pluralize from 'pluralize';
 import {IXosTableColumn, IXosTableCfg} from '../../table/table';
diff --git a/src/app/core/services/helpers/debounce.helper.spec.ts b/src/app/core/services/helpers/debounce.helper.spec.ts
index e04b11e..1cc20c8 100644
--- a/src/app/core/services/helpers/debounce.helper.spec.ts
+++ b/src/app/core/services/helpers/debounce.helper.spec.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 import * as angular from 'angular';
 import 'angular-mocks';
 import 'angular-ui-router';
diff --git a/src/app/core/services/helpers/debounce.helper.ts b/src/app/core/services/helpers/debounce.helper.ts
index 89f62ee..e8e479d 100644
--- a/src/app/core/services/helpers/debounce.helper.ts
+++ b/src/app/core/services/helpers/debounce.helper.ts
@@ -1,3 +1,21 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+
 export interface IXosDebouncer {
   debounce(func: any, wait: number, context: any, immediate?: boolean): any;
 }