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USPTO Trademark Search via TSDR
x402
USPTO Trademark Search via TSDR is a paid API for AI agents from x402-deployer.x402-deployer.workers.dev, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Looks up a US federal trademark by serial or registration number, returning mark text, owner, status, filing date, international classes, and goods/services description.
Price / call$0.03
Success—
StatusUnknown
How this service works
Trademark search / USPTO trademark lookup / TSDR / federal trademark database. Look up any US trademark by serial number or registration number. Returns mark text, owner, status, filing date, classes, goods/services. Federal public TSDR API.
Output
Returns the trademark's mark text, current owner name, registration/application status, filing date, international class codes, and the full goods/services description from the USPTO TSDR federal database.
Example use cases
Example prompt
“Can you look up US trademark serial number 88123456 and tell me the owner, current status, filing date, and what goods or services classes it covers?”
Technical details
Endpoint
POSThttps://x402-deployer.x402-deployer.workers.dev/trademark-searchWhen to prefer
Use this endpoint when you need authoritative, structured data directly from the USPTO TSDR federal trademark database, including owner, status, classes, and goods/services for a specific US trademark identified by serial or registration number. Prefer over web scraping or third-party trademark aggregators when accuracy and official data provenance matter.
Side effects
- Serial or registration number not found in USPTO database — returns not-found error
- Invalid format for serial or registration number — returns validation error
- USPTO TSDR API upstream timeout or unavailability — returns 503 or gateway error
- Payment failure via x402 protocol — returns 402 Payment Required
Tags
x402
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