{"name":"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.","price":"$0.05","method":"POST","input_schema":{"properties":{"query":{"type":"string","description":"Free-text search keywords (e.g. 'quantum error correction', 'mRNA vaccine')."},"inventor":{"type":"string","description":"Inventor last-name filter (case-insensitive, e.g. 'Hassabis')."},"assignee":{"type":"string","description":"Assignee/owner name filter (e.g. 'Google', 'IBM Corporation')."},"cpc":{"type":"string","description":"CPC classification code prefix (e.g. 'G06N' for AI/ML, 'A61K' for pharmaceuticals)."},"date_from":{"type":"string","description":"Filing-date floor in YYYY-MM-DD format. Inclusive."},"date_to":{"type":"string","description":"Filing-date ceiling in YYYY-MM-DD format. Inclusive."},"limit":{"type":"number","description":"Max patents to return. 1-50. Default 10 (most-recent-first)."},"summarize":{"type":"boolean","description":"If true, attaches a Venice plain-English summary to the top result. Adds latency. Default false."}},"required":["query"]},"input_example":{"query":"quantum computing","limit":5},"output_example":{"query":"quantum computing","returned":5,"patents":[]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}