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    • Office Action Rejection API (beta) Version 1

    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 retrieval rejection data from 4.4 million Office actions mailed during the 2008 to mid-2017 period from USPTO examiners to the applicants of 2.2 million unique patent applications. It contains document level data including the type of actions taken on claims in the Office Action.

    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/product/patent-application-office-actions-research-dataset
    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-REJ-API-V1
    Data First Published 2018-03-01
    Language en-US
    Data Last Modified 2025-08-28
    Primary IT Investment UII
    Category uspto, patent, patent application, office actions, claims, rejections, api
    Public Access Level public
    Accesslevelcomment
    Accessurl https://developer.uspto.gov/api-catalog/uspto-office-action-rejection-api-beta
    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_rejections.json
    Data Quality True
    Format api
    Harvest Object Id 990634cf-bf14-4467-8426-f1a184dfb28e
    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/product/patent-application-office-actions-research-dataset, 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 e9e5601a17eeaa17361ee52cab541b4b6f341abc2cf92efd546e353d21cfbcce
    Source Schema Version 1.1
    Spatial
    System of Records
    Temporal 2008-01-01/2017-06-30
    Webservice https://developer.uspto.gov/api-catalog/uspto-office-action-rejection-api-beta

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