Home page of the United States Patent and Trademark Office's main web site.

Find out how to register and maintain a trademark in the U.S., apply for an international trademark, and about protecting your registered trademark.

Oct 17, 2025 · Find existing patents, published patent applications and other published patent documentation

Sep 27, 2025 · A powerful, flexible web-based patent search application that improves the overall patent searching process. It includes two user selected interfaces that provide enhanced access to prior art.

Sep 16, 2012 · For general assistance in completing the patent forms below or to request paper copies of the forms, contact the USPTO Contact Center Division at 1-800-786-9199 (1-800-PTO-9199) or …

The United States Patent and Trademark Office (USPTO) is the federal agency under the Department of Commerce and is responsible for granting U.S. patents and registering trademarks.

Patent Center provides a user interface for searching and managing patent applications and related information.

Find out how to apply for and maintain a patent in the U.S., and learn about helpful resources.

To be considered for the program, an applicant must file a petition to make special using the required petition form (PTO/SB/472) and pay the petition fee. The petition form includes an agreement to …

If filing this completed form by mail, send to: Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450. If you need assistance in completing the form, call 1-800-PTO-9199 (1-800-786-9199) …