United States Patent and Trademark Office

An Agency of the Department of Commerce

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OGC Contact Information

For the Mailing Address and Physical Address for Litigation or Service to the General Counsel, Office of the Solicitor or Office of General Law, see the Service of Process page.

For other correspondence and communication, see below:

Office of the General Counsel
General Counsel U.S. Patent and Trademark Office P.O. Box 1450 Alexandria, Virginia 22313-1450 Phone: 571-272-7000 FAX: 571-273-0099

Office of the General Counsel

General Counsel
U.S. Patent and Trademark Office
P.O. Box 1450
Alexandria, Virginia 22313-1450

Phone: 571-272-7000
FAX: 571-273-0099

Office of the Solicitor
Phone: 571-272-9035 FAX: 571-273-0373 Litigation Address: Office of the Solicitor Director of the United States Patent and Trademark Office P.O. Box 15667 Arlington, Virginia 22215 For all other correspondence: Mail Stop 8 Office of the Solicitor Director of the United States Patent and Trademark Office PO Box 1450 Alexandria, Virginia 22313-1450

Office of the Solicitor

Phone: 571-272-9035
FAX: 571-273-0373

Litigation Address:
Office of the Solicitor
Director of the United States Patent and Trademark Office
P.O. Box 15667
Arlington, Virginia 22215

For all other correspondence:
Mail Stop 8
Office of the Solicitor
Director of the United States Patent and Trademark Office
PO Box 1450
Alexandria, Virginia 22313-1450

Office of General Law

Phone: 571-272-3000
FAX: 571-273-0099

Office of the Deputy General Counsel for General Law
U.S. Patent and Trademark Office
PO Box 1450
Alexandria, Virginia 22313-1450

Office of Enrollment and Discipline
Phone: 571-272-4097 FAX: 571-273-0074
General Mailing Address: Mail Stop OED U.S. Patent and Trademark Office PO Box 1450 Alexandria, Virginia 22313-1450
Disciplinary Proceedings Pending Correspondence * : Office of the Solicitor PO Box 16116 Arlington, Virginia 22215

Trademark Trial and Appeal Board
Phone: 571-272-8500 FAX: 571-273-0059 (New Appeals for Ex Parte Proceedings ONLY)
Official Mailing Address: Trademark Trial and Appeal Board U.S. Patent and Trademark Office P.O. Box 1451 Alexandria, VA 22313-1451
For delivery via FedEx, UPS, etc.: Trademark Trial and Appeal Board U.S. Patent and Trademark Office Madison East, Concourse Level Room C 55 600 Dulany Street Alexandria, VA 22314

Board of Patent Appeals and Interferences
Phone: 571-272-9797 (General) Phone: 571-272-4683 (Trial Division) FAX 1: 571-273-0053 FAX 2: 571-273-0052 FAX 3: 571-273-0042 (Interference Trial Division ONLY) FAX 4: 571-273-0299 (All Oral Hearing Notice Responses)
Official Mailing Address: Appeal Related Matters * :* Board of Patent Appeals and Interference US Patent and Trademark Office PO Box 1450 Alexandria, Virginia 22313-1450
Interference Related Matters (including Interference Trial Division Matters) : Mail Stop INTERFERENCE Board of Patent Appeals and Interferences US Patent and Trademark Office PO Box 1450 Alexandria, Virginia 22313-1450
For delivery via Fedex, UPS, etc.: US Patent and Trademark Office Board of Patent Appeals and Interferences Madison Building (East) 600 Dulany Street Alexandria, Virginia 22313

* All correspondence relating to disciplinary proceedings pending before an Administrative Law Judge or the Director.

** All correspondence in an appeal to the Board during the period beginning when an appeal docketing notice is issued and ending when a decision has been rendered, including any request for rehearing of a decision by the Board.