In order to serve a complaint, summons or Notice of Appeal on the United States Patent and Trademark Office ("USPTO") or on the Director of the USPTO or an employee in his or her official capacity you must serve as follows:

A. Any summons or complaint to be served in person or by registered or certified mail or as otherwise authorized by law on the Office to:

General Counsel
United States Patent and Trademark Office
P.O. Box 15667
Arlington, VA 22215

B. Service by hand should be made during business hours to:

Office of the General Counsel
United States Patent and Trademark Office
Madison Building East, Room 10B20
600 Dulany Street
Alexandria, VA 22314

The Office of the General Counsel may be reached by telephone at (571) 272-7000 during business hours.