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

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

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

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

1 day ago · 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.

May 14, 2025 · A search you complete before applying for a trademark registration to make sure your trademark is available to register for your particular goods or services, and to make sure that no …

Jul 20, 2025 · Apply for a trademark through Trademark Center. Pay application-related fees and use the docketing feature to track the status of applications filed through Trademark Center.

Aug 1, 2023 · Patent Center is available to all users for electronic filing and management of patent applications. You may access an on-demand recording of a previous Patent Center Training session …

Apr 4, 2025 · Find assistance, programs, and resources for independent inventors, small businesses, entrepreneurs, and university affiliated inventors.

Dec 8, 2025 · Phone numbers, email addresses, and other contact information for USPTO offices and business centers