Regulations last checked for updates: Feb 06, 2026

Title 37 - Patents, Trademarks, and Copyrights last revised: Jan 01, 2026
§ 150.6 - Mailing address.

Requests and all correspondence pursuant to these guidelines shall be addressed to: Mail Stop Congressional Relations, Director of the United States Patent and Trademark Office, P.O. Box 1450, Alexandria, Virginia 22313-1450.

[70 FR 10490, Mar. 4, 2005]
authority: 35 U.S.C. 2(b)(2); E.O. 12504, 50 FR 4849; 3 CFR, 1985 Comp., p. 335
cite as: 37 CFR 150.6