The Madrid System is a one stop solution for registering and managing marks worldwide.
Genral information
Objectives, Main Features, Advantages of the Madrid System – WIPO publication 418 http://www.wipo.int/madrid/en/general/
Member
Members of the Madrid Union http://www.wipo.int/madrid/en/members/
Legal Text.
Legal Text Relevant To Trade Mark http://www.wipo.int/madrid/en/legal_texts/
Working Groups and Assemblies
Madrid system for the Registration of International Marks. http://www.wipo.int/meetings/en/topic.jsp?group_id=49