WIPO is an agency of the United Nations "responsible for the promotion of the protection of intellectual property throughout the world through cooperation among States, and for the administration of various multilateral treaties dealing with the legal and administrative aspects of intellectual property."
WIPO posts most of the relevant related materials including treaties treaties, domain name decisions and a WIPO patent search.
Lexis has WIPO Administrative Panel Decisions concerning Internet domain name disputes from January 2000 (TRDMRK;UDRP).