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USPTO Patent Search API

Search and retrieve US patent data: full details, inventors, assignees, citations, and litigation history.

What You Can Build

IP Research & Law

Instant patent lookups and prior art searches

Competitive Intelligence

Track patent portfolios of competitors

Investment Research

Identify companies with strong IP moats

R&D Tools

Avoid patent infringement before product launches

Base URL: https://patents.datanow.dev

GET GET /patent/{number} Full patent details, abstract, inventors

GET GET /patents/search Search by keyword or assignee

GET GET /patents/company/{name} All patents assigned to a company

GET GET /patents/inventor/{name} Patents by inventor

GET GET /patent/{number}/citations Forward and backward citation graph

Free

100 req/month

Starter
$9/mo
1,000 req/month

Pro

$29/mo

10,000 req/month

Ultra

$79/mo

50,000 req/month

REST API for US patent data powered by USPTO and Google Patents. Search by keyword, company, or inventor. Get full paten...