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

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 …

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 …

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 …

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.

Aug 26, 2025 · Contact information for USPTO resources accessible at all stages of the patent process.