Welcome to Patent Public Search

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

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

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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, ...

2019年10月9日 — Patent process step-by-step · Search patents · Identify if you have a patent · Frequently asked questions (FAQs) · Procedures (MPEP) and guidance ...

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

2018年10月18日 — The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEast and PubWest ...

United States Patent and Trademark Office. Patents. Patent Center · Search with Patent Public Search · Check filing status · Search assignment · Record ...

2023年5月3日 — PPUBS is a publicly available USPTO search tool that permits searching U.S. patents and U.S. patent application publications. PPUBS has two ...

The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEast and PubWest and external ...