OAuthHTTPSCORS ?
4 free public Patent APIs for developers. 4 support HTTPS, 0 allow CORS from the browser and 2 need no API key.
Showing 4 of 4 APIs
API is intended to explore and visualize trends/patterns across the US innovation landscape
There are 4 free public Patent APIs in the directory. 4 support HTTPS, 0 are confirmed to allow CORS and 2 need no API key.
2 Patent APIs need no authentication, including PatentsView and USPTO. You can call them straight away without signing up.