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    • Office Action Citations API (Version 2)

    Metadata Updated: September 30, 2025

    Contains detailed information derived from the Office actions issued by patent examiners to applicants during the patent examination process. The Office Action is a written notification to the applicant of the examiners decision on patentability. It generally discloses the reasons for any rejections, objections, or requirements and includes relevant information or references that the applicant may find useful for responding to the examiner and deciding whether to continue prosecuting the application. This API allows for daily refresh and retrieval of citation data from Office Actions mailed from June 1, 2018 to 180 days prior to the current date. It uses information derived from citations referenced on the Form PTO-892, Form PTO-1449, and text of Office actions. Due to popular requests/demands, we have updated OA Citations API. Please see the JSON field mappings between OA Citations v1 and v2 as some fields have been updated in v2.

    Access & Use Information

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

    Downloads & Resources

    References

    https://developer.uspto.gov/api-catalog/uspto-office-action-citations-api
    https://bulkdata.uspto.gov/data/patent/office/actions/bigdata/2017/USPTO%20Patent%20Prosecution%20Research%20Data_Unlocking%20Office%20Action%20Traits.pdf

    Dates

    Metadata Created Date September 30, 2025
    Metadata Updated Date September 30, 2025
    Data Update Frequency R/P1Y

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 30, 2025
    Metadata Updated Date September 30, 2025
    Publisher Open Data Portal Team
    Maintainer
    Identifier ODP-OAC-API-V2
    Data First Published 2019-06-26
    Language en-US
    Data Last Modified 2025-08-28
    Primary IT Investment UII
    Category uspto, patent, patent application, office actions, citations, api
    Public Access Level public
    Accesslevelcomment
    Accessurl https://developer.uspto.gov/api-catalog/uspto-office-action-citations-api
    Data Update Frequency R/P1Y
    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 https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_citations.json/v2
    Data Quality True
    Format api
    Harvest Object Id 45c83b6c-2a7f-40cb-878a-f3b2115d6997
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    Homepage URL https://developer.uspto.gov/api-catalog
    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) > Open Data Portal Team
    Related Documents https://developer.uspto.gov/api-catalog/uspto-office-action-citations-api, https://bulkdata.uspto.gov/data/patent/office/actions/bigdata/2017/USPTO%20Patent%20Prosecution%20Research%20Data_Unlocking%20Office%20Action%20Traits.pdf
    Source Datajson Identifier True
    Source Hash 1a9277984f19a9915d04578fe67829eb23cae4a955a0479c18dbf77e8a5fb4da
    Source Schema Version 1.1
    Spatial
    System of Records
    Temporal 2017-10-01/2025-12-31
    Webservice https://developer.uspto.gov/api-catalog/uspto-office-action-citations-api

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