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.

Official Gazette The Official Gazette (OG) is the official journal of the USPTO, published weekly on Tuesday, that includes bibliographic information and a representative drawing for each patent …

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

Access the Assignment Center to securely manage patent assignments and search for recorded assignment information.

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

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 …

For assistance with Patent e-Filing, or to suggest improvements to the online system, or report technical problems, please call the Patent Electronic Business Center at:

Find existing patents, published patent applications and other published patent documentation

Oct 30, 2024 · Applicants, or their attorneys or agents, are urged to submit the text of the correction on a special Certificate of Correction form, PTO/SB/44 (also referred to as Form PTO-1050), which can …