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

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

4 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 access to prior art.

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, and select …

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 …

An official website of the United States government Here’s how you know keyboard_arrow_down

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:

Jan 19, 2025 · USPTO fee schedule Effective January 19, 2025 (Last revised September 1, 2025) The fee schedule provides information and fee rates for USPTO's products and services. All payments …

Find out how to apply for and maintain a patent in the U.S., and learn about helpful resources.