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

Query building guidance To start a quick lookup, enter a single patent or publication number and select the Search button. To start a basic search, select a search field, enter your search term, …

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

3 days ago · A powerful, flexible web-based patent search application that improves the overall patent searching process. It includes two user selected interfaces that provide enhanced …

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 …

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 …

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 …

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Aug 26, 2025 · Contact information for USPTO resources accessible at all stages of the patent process.