Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
  • Feedback

    • Cooperative Patent Classification (CPC) Master Classification File (MCF) for U.S. Patent Applications (2001 - Present)

    Metadata Updated: September 30, 2025

    Contains Cooperative Patent Classification (CPC) classification information for all Utility patent applications published by the U.S. Patent and Trademark Office (USPTO) from 2001 to present. It is available as XML with schemas or text monthly (usually by the 15th of the month).

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    https://www.uspto.gov/patents-application-process/patent-search/classification-standards-and-development

    Dates

    Metadata Created Date July 15, 2022
    Metadata Updated Date September 30, 2025
    Data Update Frequency R/P1M

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date July 15, 2022
    Metadata Updated Date September 30, 2025
    Publisher Classifications
    Maintainer
    Identifier EIP-5713P-OL
    Data First Published 2016-01-01
    Language en-US
    Data Last Modified 2025-08-28
    Primary IT Investment UII
    Category published patent application, pre-grant publications, pgpubs, class, classification, subclass, subclassification
    Public Access Level public
    Accesslevelcomment
    Accessurl https://data.uspto.gov/bulkdata/datasets/cpcmcapp
    Data Update Frequency R/P1M
    Bureau Code 006:51
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Datadictionary US_PGPub_CPC_MCF.docx
    Data Quality True
    Format xml
    Harvest Object Id 1d2ee594-0504-41c9-996d-5d9e2b249510
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    Homepage URL https://data.uspto.gov/bulkdata/datasets
    License https://creativecommons.org/publicdomain/mark/1.0
    Mbox data@uspto.gov
    Old Spatial
    Program Code 006:070
    Publisher Hierarchy U.S. Federal Government > Department of Commerce (DOC) > U.S. Patent and Trademark Office (USPTO) > Classifications
    Related Documents https://www.uspto.gov/patents-application-process/patent-search/classification-standards-and-development
    Source Datajson Identifier True
    Source Hash 0568d8068440b21c3df6ae3d924942bad79946c938c0a526ce098b0c3d47b131
    Source Schema Version 1.1
    Spatial
    System of Records
    Temporal 2001-03-15/2025-12-31
    Webservice https://data.uspto.gov/bulkdata/datasets

    Didn't find what you're looking for? Suggest a dataset here.