Feb 3, 2026 · Find existing patents, published patent applications and other published patent documentation

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

Access the Assignment Center to securely manage patent assignments and search for recorded assignment information.

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 …

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 …

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.

United States Patent and Trademark Office

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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 …

For assistance with Patent e-Filing, or to suggest improvements to the online system, or report technical problems, please call the Patent Electronic Business Center at: