{"api":"v1","generated_at":"2026-09-16T02:01:42.958Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/research-halowerk-com-v1-patent-search-414cd7","pinned_page":"https://tollindex.com/e/research-halowerk-com-v1-patent-search-414cd7/at/2026-09-15T21-20Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-15T21:20:12.737Z","snapshot_stamp":"2026-09-15T21-20Z","endpoint":{"slug":"research-halowerk-com-v1-patent-search-414cd7","canonical_url":"https://research.halowerk.com/v1/patent-search","resource":"https://research.halowerk.com/v1/patent-search","http_method":"POST","type":"http","x402_version":2,"registries":[],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Queries the European Patent Office Linked Open Data endpoint, which is the only patent source still reachable without a key: PatentsView has been retired, and both EPO OPS and the USPTO Open Data Portal answer 403 without credentials. Coverage is therefore EP publications and this is stated in every response, because an empty result here proves only that no European publication exists, not that no patent does.","service_name":null,"declared_category":null,"declared_tags":[],"route_template":null,"registry_updated":"2026-08-12T10:41:06.542Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"patent search","category":"search","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-11T09:22:40.553Z","observation_began":"2026-09-10"},"presence":{"listed_now":false,"first_absent_at":"2026-09-11T16:27:12.772Z","delisting_confirmed_at":"2026-09-11T20:57:00.628Z","events":[{"registry":"cdp","at":"2026-09-10T19:08:24.178Z","event":"listed"},{"registry":"cdp","at":"2026-09-11T16:27:12.772Z","event":"delisted"},{"registry":"cdp","at":"2026-09-11T20:57:00.628Z","event":"delisting_confirmed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","scheme":"exact"}],"counters":{"observed_at":"2026-09-11T09:22:40.554Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-08-12T10:41:06.062Z"},"validation":{"latest":{"observed_at":"2026-09-11T10:16:18.710Z","state":"pass","failed_checks":["bazaar.info.output"],"endpoint_http_status":402,"run_id":"daily-2026-09-11"},"uptime":[{"days":7,"observed":1,"passed":1,"ratio":1},{"days":30,"observed":1,"passed":1,"ratio":1},{"days":90,"observed":1,"passed":1,"ratio":1}],"history_90d":[{"observed_at":"2026-09-11T10:16:18.710Z","state":"pass","failed_checks":["bazaar.info.output"],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","page":"https://tollindex.com/seller/0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","endpoints":1553,"hosts":67},"reports":0,"registry_record":{"cdp":[{"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","asset":"USDC","version":"2","eip712Domain":{"name":"USD Coin","chainId":8453,"version":"2","verifyingContract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"network_name":"Base Mainnet","assetTransferMethod":"eip3009"},"payTo":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-08-12T10:41:06.062Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://research.halowerk.com/v1/patent-search","extensions":{"bazaar":{"info":{"input":{"body":{"ipc":"B28B7-00","from":"2020-01-01","limit":5},"type":"http","method":"POST","bodyType":"json"}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"to":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","description":"Latest publication date, ISO."},"ipc":{"type":"string","pattern":"^[A-H]\\d{2}[A-Z]\\d{1,4}-\\d{2,6}$","description":"IPC class in EPO notation, for example B28B7-00. Combine with from/to."},"from":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","description":"Earliest publication date, ISO."},"limit":{"type":"integer","default":10,"maximum":25,"minimum":1,"description":"Maximum number of publications."},"applicant":{"type":"string","maxLength":80,"minLength":3,"description":"Applicant name or part of it, matched case sensitively as it is written on the publication, for example Siemens."},"publication_number":{"type":"string","pattern":"^(EP)?\\s?\\d{6,8}$","description":"EP publication number, for example EP1000000 or 1000000. The precise axis."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}}}},"description":"Queries the European Patent Office Linked Open Data endpoint, which is the only patent source still reachable without a key: PatentsView has been retired, and both EPO OPS and the USPTO Open Data Portal answer 403 without credentials. Coverage is therefore EP publications and this is stated in every response, because an empty result here proves only that no European publication exists, not that no patent does.","lastUpdated":"2026-08-12T10:41:06.542Z","x402Version":2}]}}