USPTO.gov is Official US goverment site for Patents and trade information

Title

United States Patent and Trademark Office Home Page.

Description

This is the only official Web site of the United States Patent and Trademark Office, an Agency of the U. S. Department of Commerce

Languages

English

Address

P.O. Box 1450
Alexandria, VA 22313-1450

Contact

Phone: 800-786-9199 or 571-272-1000
Fax: 571-273-3245
E-mail:

Additional Information

Related Domains

External Links

trademark registration in usa