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U.S. Patent and Trademark Office

The U.S. Patent and Trademark Office is the agency responsible for granting U.S. patents and registering trademarks.

Phone number

1-571-272-1000

Toll-free number

1-800-786-9199 (8:30 am - 8:00 pm, ET)

TTY

1-571-272-9950

Main address


600 Dulany St.
Alexandria, VA 22314
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