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USPTO Open Data
US patent and trademark data APIs.
| Category | Patents |
|---|---|
| Authentication | API key |
| Pricing | Free |
| Website | https://developer.uspto.gov/ |
| Docs | https://developer.uspto.gov/api-catalog |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/uspto-open-data.json |
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