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  1. Patent Public Search | USPTO

    Sep 27, 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 …

  2. 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 …

  3. Search for patents | USPTO

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

  4. PTO‐2042a (01‐2019) ... Privacy Act Statement The Privacy Act of 1974 (P.L. 93-579) requires that you be given certain information in connection with your submission of the attached form …

  5. United States Patent and Trademark Office

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

  6. 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.

  7. If filing this completed form by mail, send to: Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450. If you need assistance in completing the form, call 1-800-PTO …

  8. System status and availability | USPTO

    Sep 8, 2025 · Check this webpage for the latest information on the operating status of USPTO's systems and planned maintenance activities.

  9. Patents | USPTO - United States Patent and Trademark Office

    Find out how to apply for and maintain a patent in the U.S., and learn about helpful resources.

  10. Applicant and Practitioner Forms | USPTO

    Jan 2, 2024 · PTO 158A - Application for Registration to Practice Under 37 CFR § 11.6 (c) by a Foreign Resident PTO 158T - Application for Recognition to Practice Under 37 CFR § 11.14 …