37 CFR § 2.190 - Addresses for trademark correspondence with the United States Patent and Trademark Office.
(a) Paper trademark documents. In general, trademark documents to be delivered by the USPS must be addressed to: Commissioner for Trademarks, P.O. Box 1451, Alexandria, VA 22313-1451. Trademark-related documents to be delivered by hand, private courier, or other delivery service may be delivered during the hours the Office is open to receive correspondence to the Trademark Assistance Center, James Madison Building - East Wing, Concourse Level, 600 Dulany Street, Alexandria, Virginia 22314.
(b) Electronic trademark documents. Trademark documents filed electronically must be submitted through TEAS. Documents that relate to proceedings before the Trademark Trial and Appeal Board must be filed electronically with the Board through ESTTA.
(c) Trademark assignment documents. Requests to record documents in the Assignment Recordation Branch may be filed electronically through ETAS. Paper documents and cover sheets to be recorded in the Assignment Recordation Branch should be addressed as designated in § 3.27 of this chapter.
(d) Requests for certified copies of trademark documents. Paper requests for certified copies of trademark documents must be addressed to: Mail Stop Document Services, Director of the United States Patent and Trademark Office, P.O. Box 1450, Alexandria, Virginia 22313-1450.
(e) Certain documents relating to international applications and registrations. International applications under § 7.11, subsequent designations under § 7.21, responses to notices of irregularity under § 7.14, requests to record changes in the International Register under § 7.23 and § 7.24, requests to note replacements under § 7.28, requests for transformation under § 7.31 of this chapter, and petitions to the Director to review an action of the Office's Madrid Processing Unit must be addressed to: Madrid Processing Unit, 600 Dulany Street, Alexandria, VA 22314-5796.
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