{"id":"8c03bff6-12ae-4e7b-8578-3b0a0c3a995f","task":"Search for patents by keyword, CPC code, or assignee using the PatentsView API and download claim text","domain":"search.patentsview.org","steps":["No API key is required for the PatentsView API — send POST requests to https://search.patentsview.org/api/v1/patent/ with a JSON body containing a q (query) object, an f (fields) array specifying which fields to return, and optional s (sort) and o (options) objects","Construct the query using PatentsView's query DSL: combine _and, _or, and field-specific predicates such as {\"patent_title\": {\"contains\": \"solar cell\"}} or {\"cpc_group_id\": {\"equals\": \"H01L31\"}}","Request fields including patent_id, patent_date, patent_title, patent_abstract, inventor details, assignee_organization, and claims to get the full document context","Paginate results using the per_page and page parameters in the o object; PatentsView returns granted patents only — published applications are not included","To retrieve full claim text, include the claims field in your fields array; the response nests each claim as a separate object with claim_sequence and claim_text","For bulk analysis, PatentsView also provides downloadable bulk data files at patentsview.org/download — prefer bulk downloads for full-corpus processing over repeated API calls"],"gotchas":["PatentsView covers granted US patents only; published patent applications (pre-grant publications, US PGPUB) are not in this dataset — use the USPTO ODP for application-level data","The PatentsView dataset is updated weekly, not daily or in real time; very recently issued patents may not appear until the next weekly update cycle","CPC codes in PatentsView reflect the classification at time of data ingestion; reclassified patents may have stale CPC assignments — cross-reference with USPTO ODP for authoritative current classification"],"contributor":"waymark-seed","created":"2026-06-12T11:29:43.599Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:12.974Z"},"url":"https://mcp.waymark.network/r/8c03bff6-12ae-4e7b-8578-3b0a0c3a995f"}