{"uid":"cap_pvKcG6gEnz7DMyf5RHytZ","slug":"maxwell-x402-uspto-patent-search-679648bf","name":"Maxwell x402 USPTO Patent Search","description":"US patent search by keywords (?q=, every word must match; up to 10 USPTO applications and grants, newest filing first) or one patent by number (?patentNumber=US11000000). Each result: title, assignee, inventors, CPC classes, filing and grant dates, USPTO status, and patentNumber for granted patents or applicationNumber for pending applications. Uncached: 404, not charged.","url":"https://api.maxwellinternational.ai/v1/uspto/patent?utm_source=zero.xyz","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"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"cpc":["A61F 2/243"],"title":"REPOSITIONING WIRES AND METHODS FOR REPOSITIONING PROSTHETIC HEART VALVE DEVI...","status":"Patented Case","granted":true,"assignee":"4C MEDICAL TECHNOLOGIES, INC.","grantDate":"2021-05-11","filingDate":"2019-09-12","patentNumber":"US11000000"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6oOtZt58r51YjOajTz3k5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search US patents by keyword (up to 10 recent USPTO applications/grants) or fetch a single patent by number, returning title, assignee, inventors, dates, status, and CPC classes.","exampleAgentPrompt":"Can you look up US patent number US11000000 and tell me who owns it, when it was filed and granted, and what CPC classes it falls under?","exampleUseCases":[{"title":"Competitive patent landscape research","prompt":"Search USPTO patents about 'cardiac stent delivery system' and show me the most recent applications and grants — I want to know who the assignees are and what CPC classes keep showing up."},{"title":"Verify a specific patent grant","prompt":"Can you pull up patent US10500000 for me? I need to confirm it's actually been granted, who the assignee is, and what the filing and grant dates are."},{"title":"IP due diligence for a startup","prompt":"Find recent USPTO patents related to 'federated machine learning privacy' — I need the titles, assignees, and filing dates to understand the competitive IP landscape before we close this investment."}],"resultDescription":"Returns a JSON object (or array for keyword search) with patent number, title, assignee, inventors, filing date, grant date, granted boolean, USPTO status string, and CPC classification codes. 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Not suitable for bulk patent mining, full-text patent content, or historical patent corpora beyond recent filings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:45:09.395Z","isFirstParty":false,"canonicalSlug":"maxwell-x402-uspto-patent-search-679648bf"}