The United States Patent and Trademark Office
This is the official U.S. government site for patent and trademark information.
Forms, publications, and other information are available on the web site. Patent
searching from the Welcome to the
USPTO Web Patent Database is available here, as is Trademark searching, using the U.S. Trademark Electronic Search System
(TESS) A list of Patent Attorneys and Agents Registered to Practice Before the USPTO
is also available.
Mailing Address of the U.S. Patent and Trademark Office:
General Information Services Division
U.S. Patent and Trademark Office
Crystal Plaza 3, Room 2C02
Washington, DC 20231
Public Information Office phone number: (800) 786-9199 or (703) 308-4357 for assistance from Customer Service Representatives and/or access to the automated information message system.
The following options are available when calling:
Press 1 for general patent & trademark information and then select from the following options:
Press 1 for patent and trademark information.
Press 2 to locate an employee’s telephone number.
Press 3 for patent search facility information.
Press 4 to order general information publications.
Press 2 for technical questions regarding the electronic business systems on the USPTO Internet site.
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