The U.S. Patent and Trademark just released a new Exam Guide entitled Additional Considerations for Determining Whether Wording in a Mark Comprises a Unitary Phrase or Slogan for Purposes of Disclaimer. The new Exam Guide can be found at http://www.uspto.gov/trademarks/resources/Trademark_Exam_Guides.jsp
The Exam Guide supplements Section 1213.05 of the Trademark Manual of Examining Procedure (“TMEP”) and provides useful information regarding phrases and slogans, grammar and punctuation, and several examples.