Best USPTO Alternatives (2026)

3 Patent APIs you can use instead of USPTO. Compared by auth type, HTTPS support, and CORS compatibility.

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USA patent api services

All Alternatives to USPTO

3 APIs

European patent search system api

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

Taiwan patent search system api

Featured APIs appear first in alternatives pages, category rankings, and the homepage. Launch partner rate: $29/mo.