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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. 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 …

  3. 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 related to a …

  4. 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 access to prior art.

  5. Search for patents | USPTO

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

  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. NOTE: This form is to be submitted with the Power of Attorney by Applicant form (PTO/AIA/82B) to identify the application to which the Power of Attorney is directed, in accordance with 37 CFR 1.5, …

  8. USPTO headquarters | USPTO

    The USPTO is headquartered in Alexandria, Virginia. The campus is centered in the Madison Building, where most public events at the USPTO are held, on both the main and concourse levels.

  9. An application data sheet (ADS) in accordance with 37 CFR 1.76(c) identifying the change and a Statement Under 37 CFR 3.73(c) (Form PTO/AIA/96 or equivalent) are included.

  10. 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-9199 (1-800-786-9199) …