{"uid":"cap_eVPLKz8t27b3sXxdJZq-V","slug":"legalpulse-trademark-precheck-c6bddae4","name":"LegalPulse Trademark Precheck","description":"Trademark precheck (agent-tier preview of /api/legal/trademark-check $0.50): live USPTO TSDR verification of serial/registration numbers you already have — returns the official LIVE/DEAD status, owner, classes, and dates verbatim. Does not run candidate-discovery research or produce a conflict-risk verdict; those require the full product. For legal, brand-naming, and IP agents with small per-call budgets.","url":"https://legalpulse.theaslangroupllc.com/api/legal/trademark-precheck","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"mark":{"type":"string","description":"the brand/product name to check (used for input validation and context only — this route does not search for conflicts)"},"serial":{"type":"string","description":"CSV of known USPTO serial/registration numbers to verify live — REQUIRED to get official records back"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"mark":"Nimbus Labs","upsell":{"adds":"Live web research to discover candidate conflicts you don't already have serial numbers for, plus an AI-generated conflict-risk verdict.","price_usd":0.5,"full_product":"/api/legal/trademark-check"},"live_registrations_found":1,"official_verified_records":[{"mark":"NIMBUS","owners":["Nimbus Inc."],"classes":["009"],"tm5_status":"LIVE/REGISTRATION/Issued and Active","serial_number":97123456}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cItMUJtbEnONvr3eoBYZH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up a USPTO trademark serial or registration number and returns its official LIVE/DEAD status, owner, goods/services classes, and key dates from TSDR.","exampleAgentPrompt":"Can you check if trademark serial number 97123456 is still active on USPTO — I need the current LIVE/DEAD status, who owns it, and what classes it covers?","exampleUseCases":[{"title":"Brand acquisition due diligence check","prompt":"I'm looking at acquiring a brand and their trademark registration number is 4567890 — can you pull the current status from USPTO to confirm it's still live, who the owner of record is, and what goods and services classes it covers?"},{"title":"Licensing negotiation verification","prompt":"Before we finalize this licensing deal, can you verify that trademark serial number 87654321 is still active on USPTO and tell me the owner name and registration date so I can confirm it matches what the licensor told us?"},{"title":"Competitor trademark monitoring spot-check","prompt":"I need to quickly check if our competitor's trademark, serial number 88112233, is still live or if it's gone dead — also grab the class info and any key dates you can find."}],"resultDescription":"Returns verbatim USPTO TSDR data for the queried trademark: LIVE or DEAD status, current owner name, international goods/services classes, filing date, registration date, and relevant expiration or cancellation dates. Does not include conflict-risk analysis, candidate discovery, or clearance verdicts.","failureModes":["Invalid or non-existent serial/registration number returns an error or empty result","USPTO TSDR service unavailability causes lookup failure","Malformed input (e.g. non-numeric characters in serial number) triggers a validation error","Rate limiting or payment failure at $0.25 per call may block repeated queries"],"whenToPreferThis":"Use this endpoint when you already have a specific USPTO trademark serial or registration number and need fast, authoritative LIVE/DEAD status and owner data at low cost ($0.25/call). Prefer this over the full trademark-check product when you do not need conflict-risk scoring or candidate-name discovery — e.g. for due diligence verification, licensing confirmation, or portfolio monitoring of known marks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:41:02.217Z","isFirstParty":false}