International Patent Institute
The International Patent Institute (IIB) (French: Institut International des Brevets), established on June 6, 1947, in The Hague, Netherlands, was a multinational intellectual property organization founded by four European countries, namely France, Belgium, Luxembourg and the Netherlands. Its primary mission was to centralize patent searching, archiving, and resources for prior art searches for its member countries.
Source: Wikipedia — International Patent Institute (CC BY-SA 4.0)