IP ORGANIZATIONS The Trilateral Co-operation. The Center for Intellectual Property– University of National and World Economy, Sofia, Bulgaria. The World Intellectual Property Organization (WIPO). International Trademark Association (INTA). European Communities Trade Mark Association ( ECTA). Association of European Trade Mark Owners ( MARQUES). International Association for the Protection of Intellectual Property (AIPPI ). AdvertisementShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading...