Patent Search Engines

Accede a la base de datos

Intelligo Patentes

Japan Patent Office

Espacenet: Búsqueda de patentes

Espacenet: Patent search

Oficina Europea de Patentes

Google Patents


Korea Intellectual Property Rights Informations Service

China National Intellectual Property Administration

CIPO's Canadian Patent Database

Patent Public Search tool of the U.S. Patent and Trademark Office

USPTO Web Patent Databases

African Regional Intellectual Property Organization (ARIPO)