New USPTO Courier Address Effective January 14, 2005

Effective January 14, 2005, except correspondence for Maintenance Fee payments, Deposit Account Replenishments (see 1.25(c)(4)), and Licensing and Review (see 37 CFR 5.1(c) and 5.2(c)), correspondence to be delivered by other delivery services (Federal Express (Fed Ex), UPS, DHL, Laser, Action, Purolater, etc.) should be addressed as follows:

U.S. Patent and Trademark Office
Customer Window, Mail Stop ______
Randolph BuildingAlexandria , VA 22314

The U.S. Patent and Trademark Office also wants you to know that, for most correspondence (e.g., new patent applications) no mail stop is required because the processing of the correspondence is routine. If NO mail stop is included on the list here, then no mail stop is required for the correspondence. Furthermore, only the specified type of document should be placed in an envelope addressed to one of these special mail stops. If any documents other than the specified type identified for each special mail stop are addressed to that mail stop, they will be significantly delayed in reaching the appropriate area for which they are intended. The mail stop should generally appear as the first line in the address.

Address mail to be delivered by the United States Postal Service (USPS) as follows:

Mail Stop ____
Commissioner for Patents
P.O. Box 1450
Alexandria,VA 22313-1450

If no Mail Stop is indicated here, the line beginning Mail Stop should be omitted from the address.

More USPTO correspondence address information is available here.