- (a) Mail under this part should be addressed to the Office of the General Counsel, United States Patent and Trademark Office, P.O. Box 1450, Alexandria, Virginia 22313-1450.
- (b) Service by hand should be made during business hours to the Office of the General Counsel, 10B20, Madison Building East, 600 Dulany Street, Alexandria, Virginia.
- (c) The Office of the General Counsel may be reached by telephone at 571-272-7000 during business hours.
[66 FR 47389, Sept. 12, 2001, as amended at 70 FR 10490, Mar. 4, 2005; 75 FR 36295, June 25, 2010]