Patent Examination Research Dataset (PatEx) for Academia and Researchers

Contains detailed information on more than 13 million publicly viewable patent applications filed with the USPTO along with more than 1 million PCT applications through June 2023. The data files include information on each application's characteristics, prosecution history, continuation history, claims of foreign priority, patent term adjustment history, publication history, and correspondence address information.

Data and Resources

Additional Info

Field Value
Last Updated July 14, 2025, 04:11 (UTC)
Created July 14, 2025, 04:11 (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/ecopair
creatorEmail
creatorName
dataProvenance [{'date': '2015-12-02', 'name': 'Creation and publication of dataset'}, {'date': '2023-09-26', 'name': 'Date of collection of last data point'}, {'date': '2025-07-14', 'name': 'Dataset updated'}]
dataType CSV
datasetPageUrl https://data.uspto.gov/bulkdata/datasets/ecopair
datasetVersion v2.0
docsURL https://data.uspto.gov/bulkdata/datasets/ecopair
issueDate 2015-12-02
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/ecopair
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