Oficinas de Patentes
Institut National Algérien de la Propriété Industrielle
STN International: Home 50 th Anniversary of DWPI SM - The World's Most Trusted Source of Patent Information The Intellectual Property (IP) & Science business of Thomson Reuters, the world’s leading source of intelligent information for businesses and professionals, announced the 50th anniversary of Derwent World Patents Index ® (DWPI SM ), its flagship, proprietary database that is the world's most trusted source of patent information. This announcement marks the start of a yearlong celebration in honor of DWPI, as well as the inclusion of the 50th data source in DWPI: Indonesia.
African Regional Intellectual Property Organization
Guía de Oficinas de Propiedad Intelectual
WIPO - World Intellectual Property Organization
IPC Natural Language Access