{"uid":"cap_RmjbRI2erVo2loGt_1WeO","slug":"uspto-trademark-lookup-via-tsdr-api-6bef4e57","name":"USPTO Trademark Lookup via TSDR API","description":"Looks up any US trademark by serial number or registration number via the federal public TSDR API. Returns mark text, owner, status, filing date, classes, and goods/services. Use it as a trademark search, USPTO trademark lookup, or federal trademark database query.","url":"https://x402.agentutility.ai/trademark-search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{"serial_number":{"type":"string","description":"8-digit USPTO serial number (e.g. '78787878')."},"registration_number":{"type":"string","description":"7-digit USPTO registration number (e.g. '3000000')."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"found":{"type":"boolean"},"mark_text":{"type":"string"},"filing_date":{"type":"string"},"status_category":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"found":true,"mark_text":"APPLE","filing_date":"1977-09-14","status_category":"Live"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BuGODR5SR5YFWvkewoKqj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up any US trademark by serial number or registration number and returns mark text, owner, status, filing date, classes, and goods/services descriptions.","exampleAgentPrompt":"Can you look up USPTO trademark serial number 88123456 and tell me who owns it, what the current status is, and what goods or services it covers?","exampleUseCases":[{"title":"Verify competitor brand trademark status","prompt":"I want to check if our competitor's brand name is actually registered — their trademark serial number is 87654321. Can you pull the USPTO record and tell me the owner, status, and what product categories it covers?"},{"title":"Due diligence before brand acquisition","prompt":"We're considering acquiring a company and need to verify their trademark. Can you look up USPTO registration number 4567890 and give me the full details — owner, filing date, status, and goods/services classes?"},{"title":"Check if a trademark has lapsed","prompt":"I think the trademark for a product I want to use might have expired. The serial number is 76543210 — can you check the federal trademark database and tell me if it's still active or abandoned?"}],"resultDescription":"Returns structured trademark data including: mark text (the trademarked name or phrase), current owner name and address, application/registration status (e.g. live, abandoned, registered), filing date, international class numbers, and a description of the goods and services covered by the mark.","failureModes":["Serial or registration number not found in TSDR — returns error or empty result","Invalid number format provided — may return validation error","USPTO TSDR API temporarily unavailable — upstream service error","Number provided corresponds to a cancelled or expunged record with minimal data"],"whenToPreferThis":"Use this endpoint when you need authoritative federal trademark data directly from the USPTO TSDR system, specifically when you already have a serial number or registration number to look up. Prefer this over general trademark search tools when you need exact ownership, status, and goods/services details for a known trademark identifier rather than performing a keyword-based name search.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T18:59:21.104Z","isFirstParty":false,"canonicalSlug":"uspto-trademark-lookup-via-tsdr-api-6bef4e57"}