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What are the best Patent APIs? (2026)

The top Patent API right now is EPO, followed by PatentsView and 2 more. We compared 4 Patent APIs across 3,171 total APIs on patchBay to find the best options for developers.

4APIs ranked
Last updated Mar 23, 2026
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What Patent APIs are available?

4 APIs

EPO

European patent search system api

OAuthHTTPS

PatentsView

API is intended to explore and visualize trends/patterns across the US innovation landscape

No AuthHTTPS

TIPO

Taiwan patent search system api

apiKeyHTTPS

USPTO

USA patent api services

No AuthHTTPS

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