USPTO Trademark Checker
The USPTO Trademark Search API provides a fast, local-database search layer over historical and daily USPTO trademark filings. It supports exact, full-text, and fuzzy trigram search modes, punctuation-insensitive phrase matching, owner and international class browsing, serial and registration lookups, recent registration monitoring, and external EUIPO/DPMA registry checks. Use it to validate…
1 subscribers
8.7/10 popularity
1852 ms avg latency
75% success rate
8 endpoints
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the data below comes straight from the public marketplace listing.
USPTO Trademark Checker endpoints
| Method | Endpoint | Description |
|---|---|---|
| GET |
Phrase Search /v1/trademark/phrase-search/{phrase} |
Searches every contiguous phrase span from the supplied phrase, normalizes punctuation and whitespace, and returns cleaned trademark matches longest-first. |
| GET |
Keyword Search /v1/trademark/search/{keyword} |
Finds trademark word marks using exact, full-text, or fuzzy matching. Supports status, class filtering, and pagination for broad keyword discovery. |
| GET |
Get By Registration Number /v1/trademark/registration/{regNumber} |
Returns a trademark by its official USPTO registration number. |
| GET |
Get By Serial Number /v1/trademark/{serialNumber} |
Returns a trademark application by its 8-digit USPTO serial number. |
| GET |
Search By Owner /v1/trademark/owner/{name} |
Searches owner names using indexed owner text and returns matching trademark records. |
| GET |
Availability Check /v1/trademark/available/{keyword} |
Checks whether a keyword or phrase appears to be available by searching existing USPTO trademark records with optional status and class filters. |
| GET |
Latest Registrations /v1/trademark/latest-registrations |
Returns recent trademark registrations within an inclusive calendar-day window ending today. Useful for monitoring newly registered marks and emerging trademark activity. |
| GET |
Health Check /health |
Returns API health information for uptime monitoring and gateway testing. |
USPTO Trademark Checker pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $9.99 / month | — |
|
| ULTRA Recommended | $29.99 / month | — |
|
| MEGA | $74.99 / month | — |
|
