Patents & Intellectual Property4 Verified APIs

Free Patents & Intellectual Property APIs

Global patent registries, trademark filings, and copyright databases

Patents & Intellectual Property API Comparison Overview

Top Endpoints

API Service	Auth Type	Rate Limit	Security	Direct Link
EPO	Free Key	Değişken	HTTPS • CORS	Docs
USPTO	Free Key	Sınırsız	HTTPS • CORS	Docs
PatentsView	Free Key	Sınırsız	HTTPS • CORS	Docs
TIPO	Free Key	Değişken	HTTPS • CORS	Docs

Available Endpoints (4)

GET

EPO

European Patent Office (EPO) global patent search, legal statuses, and family trees

Patents & Intellectual PropertyAPI KeyCORSVariable

GET

USPTO

Official USPTO patent and trademark search with full-text patent grant files

Patents & Intellectual PropertyAPI KeyCORSUnlimited

GET

PatentsView

USPTO patent intelligence database covering patent grants, inventors, assignees, and technology trends.

Patents & Intellectual PropertyAPI KeyCORSUnlimited

GET

TIPO

Taiwan Intellectual Property Office official patent publication and grant search

Patents & Intellectual PropertyAPI KeyCORSVariable

About Free Patents & Intellectual Property APIs

This directory curates 4 verified public APIs in the Patents & Intellectual Property domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.

Do I need an API key?

Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.

Does FreeAPI support CORS?

Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.