Index: Src/GoogleApis.Auth/OAuth2/Responses/TokenResponseException.cs
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new file mode 100644
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+++ b/Src/GoogleApis.Auth/OAuth2/Responses/TokenResponseException.cs
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+/*
+Copyright 2013 Google Inc
+
+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.
+*/
+
+using System;
+
+namespace Google.Apis.Auth.OAuth2.Responses
+{
+    /// <summary>
+    /// Token response exception which is thrown in case of receiving a token error when an authorization code or an 
+    /// access token is expected.
+    /// </summary>
+    public class TokenResponseException : Exception
+    {
+        /// <summary>The error information.</summary>
+        public TokenErrorResponse Error { get; private set; }
+
+        /// <summary>Constructs a new token response exception from the given error.</summary>
+        public TokenResponseException(TokenErrorResponse error)
+            : base(error.ToString())
+        {
+            Error = error;
+        }
+    }
+}