{"uid":"cap_GheZU8a1D1MHY2HjDJHYS","slug":"uspto-patent-search-api-a1249358","name":"USPTO Patent Search API","description":"Search USPTO patents by keyword, inventor, assignee, CPC class, or filing date range. Returns abstracts, inventors, assignees, and publication numbers from the USPTO Open Data backend — a patent lookup and prior-art search endpoint for agents.","url":"https://x402.agentutility.ai/patent-search-api?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":{"required":["query"],"properties":{"cpc":{"type":"string","description":"CPC classification code prefix (e.g. 'G06N' for AI/ML, 'A61K' for pharmaceuticals)."},"limit":{"type":"number","description":"Max patents to return. 1-50. Default 10 (most-recent-first)."},"query":{"type":"string","description":"Free-text search keywords (e.g. 'quantum error correction', 'mRNA vaccine')."},"date_to":{"type":"string","description":"Filing-date ceiling in YYYY-MM-DD format. Inclusive."},"assignee":{"type":"string","description":"Assignee/owner name filter (e.g. 'Google', 'IBM Corporation')."},"inventor":{"type":"string","description":"Inventor last-name filter (case-insensitive, e.g. 'Hassabis')."},"date_from":{"type":"string","description":"Filing-date floor in YYYY-MM-DD format. Inclusive."},"summarize":{"type":"boolean","description":"If true, attaches a Venice plain-English summary to the top result. Adds latency. Default false."}}},"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":{"query":{"type":"string"},"patents":{"type":"array"},"returned":{"type":"integer"}}}}}}},"responseSchema":{"type":"json","example":{"query":"quantum computing","patents":[],"returned":5}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IsS__tw_ECzA6KCW74SWh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search USPTO patents by keyword, inventor, assignee, CPC class, or filing date range, returning abstracts, publication numbers, inventors, and assignees.","exampleAgentPrompt":"Search the USPTO for patents related to 'transformer neural network architecture' filed between 2018 and 2023 — I want to see the abstracts, inventors, assignees, and publication numbers for the top results.","exampleUseCases":[{"title":"Prior art search for new invention","prompt":"I'm about to file a patent for a new method of battery thermal management using phase-change materials — can you search the USPTO for any existing patents on that topic so I can see what prior art exists?"},{"title":"Competitor patent portfolio research","prompt":"Search USPTO patents assigned to 'Tesla Motors' with CPC class B60L to find their recent battery and electric vehicle patents — I need abstracts and publication numbers."},{"title":"Inventor patent history lookup","prompt":"Find all USPTO patents where 'Geoffrey Hinton' is listed as an inventor, and give me the publication numbers, titles, and abstracts."}],"resultDescription":"Returns a list of matching patents from the USPTO Open Data backend, each including the publication number, title, abstract text, inventor names, assignee names, filing date, and CPC classification codes.","failureModes":["No results found for overly narrow or misspelled query terms","Rate limiting or payment failure via x402 protocol returns 402 error","Invalid CPC class code returns empty or error response","Date range with incorrect format causes query failure","USPTO Open Data backend downtime causes 503 or timeout errors"],"whenToPreferThis":"Use this endpoint when an agent needs to search or look up USPTO patent records for prior art research, competitive intelligence, inventor history, or technology landscape analysis. Prefer it over generic web search when structured patent metadata (publication numbers, abstracts, CPC codes, inventor/assignee fields) is needed directly from the USPTO source. Best for agentic workflows that need programmatic patent data without scraping.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:34:34.515Z","isFirstParty":false,"canonicalSlug":"uspto-patent-search-api-a1249358"}