USPTO Logo Similarity Checker API
LM Engine — USPTO logo similarity search across 13M+ trademarks. Upload a logo, get up to 50 visually similar marks ranked by AI fusion scoring, every result enriched with wordmark, owner, status, and class. Generates branded PDF reports for clearance screening.
4 subscribers
9.2/10 popularity
2830 ms avg latency
96% success rate
6 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
USPTO Logo Similarity Checker API endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST |
Logos Match /v1/logos-match |
Search for visually similar trademarks |
| POST |
Logos Report /v1/logos-report |
Generate a branded PDF + CSV report |
| GET |
Logos Match Request ID /v1/logos-match/{request_id} |
Retrieve a previous match result |
| GET |
Logos Serial /v1/logos/{serial} |
Get the image URL for a USPTO serial |
| GET |
Health /health |
Service health check |
| GET |
Ready /ready |
Readiness check |
USPTO Logo Similarity Checker API pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | 5 / hour |
|
| PRO | $229 / month | 25 / minute |
|
| ULTRA | $699 / month | 100 / minute |
|
| MEGA | $1,599 / month | 250 / minute |
|
