Muslim Walls of Madrid Muslim Walls of Madrid The Muslim Walls of Madrid, also known as theArab Walls of Madrid, of which some vestiges remain, are located in the Spanish city of Madrid. They are probably the oldest construction extant in the city. They were built in the 9th century, during the Muslim domination of the Iberian Peninsula, on a promontory next to Manzanares river. They were part of a fortress around which developed the urban nucleus of Madrid. They were declared an Artistic-Historic Monument in 1954. The remains of utmost importance, with more archaeological than artistic interest, are in the Cuesta de la
Madrid system portfolio of independent national registrations. Madrid now permits the filing, registration and maintenance of trade mark rights in more than one jurisdiction, provided that the target jurisdiction is a party to the system. The Madrid system is administered by the International Bureau of the World Intellectual Property Organization (WIPO) in Geneva, Switzerland. There are 90 countries part of the Madrid System. The Madrid system comprises two treaties; the "Madrid Agreement Concerning the International Registration of Marks", which was concluded in 1891, and entered into force in 1892, and the "Protocol Relating to the Madrid Agreement", which came into operation on