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United States Patent and Trademark Office

The US Patent and Trademark Office (PTO) now offers World-Wide Web (Web) access to bibliographic and full-text patent databases.

Patent - Wikipedia, the free encyclopedia

A patent is a set of exclusive rights granted by a state to a patentee (the inventor or assignee) for a fixed period of time in exchange for the regulated, ...

Google Patents

Search more than seven million US patents.

Patent Analytics and Patent Searching

Complete Patent Searching Database and Patent Data Analytics Services.

The European Patent Office

The executive body of the European Patent Organisation.



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