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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Categories
  3. /Patent

Free Patent APIs

4 free public Patent APIs for developers. 4 support HTTPS, 0 allow CORS from the browser and 2 need no API key.

APILayerOne account · one API key
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Showing 4 of 4 APIs

EPO logo

EPO

European patent search system api

OAuthHTTPSCORS ?
PatentsView logo

PatentsView

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

No authHTTPSCORS ?
TIPO logo

TIPO

Taiwan patent search system api

apiKeyHTTPSCORS ?
USPTO logo

USPTO

USA patent api services

No authHTTPSCORS ?

Patent API FAQ

How many free Patent APIs are there?

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.

Which Patent APIs work without an API key?

2 Patent APIs need no authentication, including PatentsView and USPTO. You can call them straight away without signing up.