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PatentRef

US patent claims as a tree, through a free API

发布日期 · UTC
2026-11-10
产品域名
patentref.io
域名后缀
.io
产品方向
开发者工具

关于产品

A free US patent API in the PatentsView format for grants since 1976, plus a claim tree for every patent: claims split into their parts, each reference linked to its earlier mention, every part with offsets into the text. Deterministic code, no model.

关键词

APIdata structurepatent data