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

Sep 27, 2025 · The Patent Public Search tool is a web-based search application for patents and patent application publications. Patent Public Search has two user-selectable modern …

Search for a patent application Search by application number, patent number, PCT number, publication number or international design registration number.

May 7, 2024 · This is a suggested Multi-Step Strategy for conducting preliminary searches of U.S. patents and published applications using free online resources of the USPTO and its bi-lateral …

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Quick lookup Patent or Publication number For example: 0123456 or 20210123456 Search

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

Patent Public Search | USPTOPatent Public Search | USPTO - extended window

Patent Public Search offers a web-based tool for enhanced access to prior art, replacing legacy search tools with modern interfaces.

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