United States Patent and Trademark Office
Home page of the United States Patent and Trademark Office's main web site.
Search for patents | USPTO
Oct 17, 2025 · Find existing patents, published patent applications and other published patent documentation
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 …
Patent Public Search | USPTO
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 …
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 …
Patent Center - United States Patent and Trademark Office
Patent Center provides a user interface for searching and managing patent applications and related information.
About Us | USPTO
The United States Patent and Trademark Office (USPTO) is the federal agency under the Department of Commerce and is responsible for granting U.S. patents and registering …
System status and availability | USPTO
1 day ago · Check this webpage for the latest information on the operating status of USPTO's systems and planned maintenance activities.
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.
Transferring ownership/ Assignments FAQs | USPTO
Apr 30, 2024 · Must the USPTO cover sheet forms (PTO-1594 Trademarks or PTO-1595 Patents) be used when submitting recordation requests in paper?