Patent Application Office Actions Research Dataset for Academia and Researchers

Contains detailed information on 4.4 million Office actions mailed from 2008 through June 2017 for 2.2 million publicly viewable patent applications. The data are sourced from the text of Non-Final Rejection and Final Rejection Office actions issued by patent examiners to applicants during the patent examination process. The data files include information on grounds for rejection raised, the claims in question, and pertinent prior art.

Data and Resources

Additional Info

Field Value
Last Updated July 14, 2025, 04:12 (UTC)
Created July 14, 2025, 04:12 (UTC)
accessRights Follow these instructions to access the data programmatically via the endpoint link (included in metadata) and create your own API key: https://data.uspto.gov/apis/getting-started
columnDataDict Access column data dictionary at: https://data.uspto.gov/apis/bulk-data/search
creationMethod Learn more about dataset's creation method at: https://data.uspto.gov/bulkdata/datasets/ptoffact
creatorEmail
creatorName
dataProvenance [{'date': '2017-11-29', 'name': 'Creation and publication of dataset'}, {'date': '2017-11-29', 'name': 'Date of collection of last data point'}, {'date': '2025-07-14', 'name': 'Dataset updated'}]
dataType CSV
datasetPageUrl https://data.uspto.gov/bulkdata/datasets/ptoffact
datasetVersion v2.0
docsURL https://data.uspto.gov/bulkdata/datasets/ptoffact
issueDate 2017-11-29
lang English
lastUpdateDate 2025-07-14
pocEmail data@uspto.gov
pocName USPTO Office of Data Management
pocWebsite https://www.uspto.gov/about-us/organizational-offices/office-commissioner-patents/data-management
publisherEmail
publisherName
purpose Learn more about dataset's purpose at: https://data.uspto.gov/bulkdata/datasets/ptoffact
status submitted
theme ['patent']
timezone EST
updateFreq Yearly
uploadType dataset
usageInfo For usage information, refer to the USPTO Terms of Use: https://www.uspto.gov/terms-use-uspto-websites
versionNotes For version details, refer to the USPTO release notes: https://data.uspto.gov/support/release/summary