USPTO Trademarks API
government & registries2 endpoints for public USPTO Trademarks data. Send your key in x-api-key; you pay for calls that run, and errors on our side are free. USPTO Trademarks API overview, examples and prices →
| endpoint | what it returns | parameters | cost | actions |
|---|---|---|---|---|
| GET/trademarks/ | US trademark by serial or registration number | 3 optional | 1 cr | docstry |
| GET/trademarks/ | US trademark search | 13 optional | 1 cr | docstry |