Patent Assignment Data for Academia and Researchers

Contains detailed information on roughly 10.0 million patent assignments and other transactions recorded at the USPTO since 1970 and involving roughly 17.8 million patents and patent applications. For more information: http://www.uspto.gov/learning-and-resources/electronic-data-products/data

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/ecorsexc
creatorEmail
creatorName
dataProvenance [{'date': '2015-08-05', 'name': 'Creation and publication of dataset'}, {'date': '2024-04-19', 'name': 'Date of collection of last data point'}, {'date': '2025-07-14', 'name': 'Dataset updated'}]
dataType TSV
datasetPageUrl https://data.uspto.gov/bulkdata/datasets/ecorsexc
datasetVersion v2.0
docsURL https://data.uspto.gov/bulkdata/datasets/ecorsexc
issueDate 2015-08-05
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/ecorsexc
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