Patent Assignment Data for Academia and Researchers
URL: https://api.uspto.gov/api/v1/datasets/products/ecorsexc
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
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Additional Information
| Field | Value |
|---|---|
| Data last updated | July 14, 2025 |
| Metadata last updated | July 14, 2025 |
| Created | July 14, 2025 |
| Format | text/tab-separated-values |
| License | No License Provided |
| Accesscontrolrights | For access control rights, refer to the USPTO Terms of Use: https://www.uspto.gov/terms-use-uspto-websites |
| Datastore active | False |
| Docsurl | https://data.uspto.gov/bulkdata/datasets/ecorsexc |
| Endpointdesc | To access this dataset, use the provided endpoint URL. It returns a JSON object containing download links for bulk data files (e.g., .zip). Files must be downloaded using redirect-friendly methods (e.g., 'curl -L' or Python's 'requests.get(..., allow_redirects=True))'. For full details on how to construct download URLs, handle redirects, and programmatically access and retrieve files, refer to the Bulk Data Directory section of the USPTO FAQ: https://data.uspto.gov/support/faq |
| Endpointname | Bulk Data API |
| Has views | False |
| Id | 5cf6dcd5-48a2-4a08-8af4-b6462fbea70e |
| Issuedate | 2015-08-05 |
| Lastupdatedate | 2025-07-14 |
| Mimetype | text/tab-separated-values |
| Package id | ba79d686-9e43-4cc8-a65d-ad53e8c0b3a1 |
| Position | 0 |
| Resdatadict | Access data dictionary via API endpoint: https://api.uspto.gov/api/v1/datasets/products/ecorsexc |
| Ressize | 50.1 GB |
| State | active |
| Status | deprecated |
| Urltype | api-endpoint |