Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Cooperative Patent Classification (CPC) Master Classification File (MCF) for U.S. Patent Grants (1790 - Present)

Published by Classifications | Department of Commerce | Metadata Last Checked: September 30, 2025 | Last Modified: 2025-08-28
Contains Cooperative Patent Classification (CPC) classification information for all Utility patent grants issued by the U.S. Patent and Trademark Office (USPTO) from 1790 to present. It is available as XML with schemas or text monthly (usually by the 15th of the month).

Find Related Datasets

Click any tag below to search for similar datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov