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Federal
Patent and Trademark Practitioners (Intellectual Property (IP) Agent/Attorney/Abogado/Barrister/Lawyer)
Department of Commerce —
Registered patent practitioners are individuals who have passed the USPTO's registration exam and met the qualifications to represent patent applicants before the... -
Federal
Cooperative Patent Classification (CPC) Master Classification File (MCF) for U.S. Patent Grants (1790 - Present)
Department of Commerce —
Contains Cooperative Patent Classification (CPC) classification information for all Utility patent grants issued by the U.S. Patent and Trademark Office (USPTO) from...