diff --git a/zeppelin-web-angular/e2e/src/app.e2e-spec.ts b/zeppelin-web-angular/e2e/src/app.e2e-spec.ts
index d788f85250e..1a4bd28e7ee 100644
--- a/zeppelin-web-angular/e2e/src/app.e2e-spec.ts
+++ b/zeppelin-web-angular/e2e/src/app.e2e-spec.ts
@@ -1,3 +1,15 @@
+/*
+ * 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 { AppPage } from './app.po';
 import { browser, logging } from 'protractor';
 
diff --git a/zeppelin-web-angular/e2e/src/app.po.ts b/zeppelin-web-angular/e2e/src/app.po.ts
index b8498c26f24..c6d1c5c065f 100644
--- a/zeppelin-web-angular/e2e/src/app.po.ts
+++ b/zeppelin-web-angular/e2e/src/app.po.ts
@@ -1,3 +1,15 @@
+/*
+ * 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 { browser, by, element } from 'protractor';
 
 export class AppPage {
diff --git a/zeppelin-web-angular/src/app/pages/workspace/published/published.module.ts b/zeppelin-web-angular/src/app/pages/workspace/published/published.module.ts
index f6474d94896..6b061c35e34 100644
--- a/zeppelin-web-angular/src/app/pages/workspace/published/published.module.ts
+++ b/zeppelin-web-angular/src/app/pages/workspace/published/published.module.ts
@@ -1,3 +1,15 @@
+/*
+ * 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 { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
 import { WorkspaceShareModule } from '../../workspace/share/share.module';
diff --git a/zeppelin-web-angular/src/app/services/shortcut.service.ts b/zeppelin-web-angular/src/app/services/shortcut.service.ts
index 5bc9a2a2fcd..3a486ec3fa3 100644
--- a/zeppelin-web-angular/src/app/services/shortcut.service.ts
+++ b/zeppelin-web-angular/src/app/services/shortcut.service.ts
@@ -1,3 +1,15 @@
+/*
+ * 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 { DOCUMENT } from '@angular/common';
 import { Inject, Injectable } from '@angular/core';
 import { EventManager } from '@angular/platform-browser';