Accede a la base de datos
Intelligo Patentes
Japan Patent Office
Espacenet: Búsqueda de patentes
Espacenet: Patent search
Oficina Europea de Patentes
LENS.org
Google Patents
WIPO PATENTS Scope
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)