Changes in requirements for signature of documents in trademark cases
Written by DKD Trade , Thursday, 29 October 2009
ImageThe United States Patent and Trademark Office is revising the Trademark Rules of Prcatice to set forth the requirements for signature of documents filed in the Office,recognition of representatives,and establishing and changing the corespondence adress in trademark cases.

The purpose of the rule is to codify and clarify current practice.Practice before the Trademark Trial and Appeal Board is largely unaffected by the rule.
References below to "the Act" or "the Trademark Act" refer to Trademark Act of 1946 as amended.
On August 14,2008,the Office published a final rule that,inter alia,removed 10.14 and 10.18 of this chapter and replaced them with new 11.14 and 11.18:added a definition of "attorney" to 11.1 of this chapter"added 11.14,setting forth the requirements and establishing a fee for filing a request for reciprocal recognition under 11.14(c) of this chapter:and changed cross-references in several of the rules in parts 2 and 7 of this chapter,effective September 15,2008 .

To real all check out : http://www.uspto.gov/trademarks/notices/FinalRule10-26-09.pdf