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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.

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

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

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

Oct 24, 2025 · Check this webpage for the latest information on the operating status of USPTO's systems and planned maintenance activities.

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) …

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 …