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

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.

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

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

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

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 …

Jan 18, 2025 · This page highlights the changes in the fiscal year 2025 final patent fee rule.

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Jan 19, 2025 · USPTO fee schedule Effective January 19, 2025 (Last revised January 1, 2026) The fee schedule provides information and fee rates for USPTO's products and services. All payments must …