PatentsView
API is intended to explore and visualize trends/patterns across the US innovation landscape
Patent · No auth · HTTPS
Patent APIs
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Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
USPTO
USA patent api services
Patent · No auth · HTTPS
EPO
European patent search system api
Patent · OAuth · HTTPS
TIPO
Taiwan patent search system api
Patent · API key · HTTPS