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

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 …

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.

Dec 20, 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.

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.

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

Aug 7, 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.

One can additionally file a change of correspondence address form PTO/AIA/122 or PTO/SB122 to an individual application to change the correspondence address to a customer number.

An application data sheet (ADS) in accordance with 37 CFR 1.76(c) identifying the change and a Statement Under 37 CFR 3.73(c) (Form PTO/AIA/96 or equivalent) are included.