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

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.

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 …

Find existing patents, published patent applications and other published patent documentation

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

Patent Center ... PatentCenter UI

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Aug 18, 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.

Patent Center allows users to electronically file and manage patent applications efficiently.

If you need help: Send general questions about USPTO programs to the USPTO Contact Center (UCC) . If you experience technical difficulties or problems with this application, please report them via e …