The World's Leading Trademark Professionals 2012.
Band 1 of Spanish firms: "Elzaburu occupies a unique position in the Spanish market, having attained the status of a leader in both prosecution and litigation. This, according to sources, is thanks to its origin as an IP agency with a specialisation in prosecution, which today combines with its legal practice to potent effect. Clients include household names in the media, pharmaceutical, food and beverage, fashion and luxury goods spheres. Antonio Castán carries much of the outfit's reputation for litigation: 'a top lawyer for trademarks, Castán deals with many of the biggest cases and brings deep technical expertise and a great work ethic''."