{"uid":"cap_XJDOId49L2EYfT-SgoWO7","slug":"epo-worldwide-patent-search-via-2s-io-e38c1758","name":"EPO Worldwide Patent Search via 2s.io","description":"Search worldwide patent publications via the European Patent Office's Open Patent Services (OPS). Pass a CQL query (e.g. ti=quantum computing, in=tesla, pa=siemens, cpc=H01M, pn=EP1000000) and get matching publications with country, document number, kind code, and a combined publication number, plus the total result count. Covers EP + 100+ patent authorities worldwide — net-new vs our US-only patents.search.","url":"https://2s.io/api/patents/epo-search","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","maxLength":400,"minLength":2,"description":"CQL query, e.g. \"ti=quantum computing\" or \"pa=siemens and cpc=H01M\"."},"limit":{"type":"integer","maximum":100,"minimum":1}},"additionalProperties":false}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0045","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":"$0.0045/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hy9OTOcdlk1oZlT9kn9H-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0045","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search worldwide patent publications using the European Patent Office's Open Patent Services (OPS) via a CQL query, returning matching publications with metadata and total result count.","exampleAgentPrompt":"Search worldwide patents for quantum computing inventions by Tesla — use the CQL query 'ti=quantum computing and pa=tesla' and return up to 20 matching publications with their country, document number, and kind code.","exampleUseCases":null,"resultDescription":"A list of matching patent publications each containing country code, document number, kind code, and a combined publication number, plus the total count of matching results across EP and 100+ worldwide patent authorities.","failureModes":["Invalid or malformed CQL query returns an error","Query string shorter than 2 characters is rejected","Limit parameter outside 1-100 range returns validation error","No results found for highly specific queries","EPO OPS upstream service unavailable causing timeout or 5xx error","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need worldwide patent coverage beyond US-only sources, especially for European Patent Office (EP) publications and patents from 100+ international authorities. Prefer this over US-patent-only APIs when searching by CPC classification, inventor, assignee, or publication number across global jurisdictions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:04:19.493Z","isFirstParty":false}