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  1. United States Patent and Trademark Office

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

  2. Trademarks | USPTO

    Find out how to register and maintain a trademark in the U.S., apply for an international trademark, and about protecting your registered trademark.

  3. Search for patents | USPTO

    Oct 17, 2025 · Find existing patents, published patent applications and other published patent documentation

  4. Patent Public Search | USPTO

    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.

  5. About Us | USPTO

    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 trademarks.

  6. Apply online | USPTO

    Jul 29, 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.

  7. Forms for patent applications | USPTO

    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 …

  8. Federal trademark searching | USPTO

    Apr 16, 2024 · Searching the USPTO’s trademark database is an important part of doing a comprehensive clearance search before you apply for a trademark registration.

  9. Search - Patent Center - USPTO

    Patent Center provides a user interface for searching and managing patent applications and related information.

  10. System status and availability | USPTO

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