patchBay

EPO vs USPTO

If you need a Patent API that's easy to integrate, go with USPTO.

EPO

European patent search system api

USPTO

USA patent api services

EPO

  • HTTPS supported
  • Requires OAuth setup

USPTO

  • No authentication required
  • HTTPS supported
FeatureEPOUSPTO
AuthenticationOAuthNone
HTTPSYesYes
CORSUnknownUnknown

When to use which?

USPTO is the better choice for quick prototypes and hackathons since it requires no authentication.