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

Feb 3, 2026 · 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-PTO-9199) or …

United States Patent and Trademark Office

4 days ago · Check this webpage for the latest information on the operating status of USPTO's systems and planned maintenance activities.

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.

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 …

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

Are title searches conducted by the PTO prior to recordation? expand_more How is an assignment-related document processed? expand_more All assignments are processed through an image-based …