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Global Leader

Competition 2019

Professional Biography

WWL Ranking: Recommended

WWL says

Antonio Martínez leads the firm’s competition practice in Spain and is renowned among peers for his extensive experience in merger control and infringement proceedings.


Antonio Martínez is the head of the competition and European law department of Allen & Overy Spain. He has over 25 years’ experience and is considered by leading directories as among the top competition law practitioners in Spain, and regularly quoted. Chambers Europe (Spain, 2018) quotes a source who states: “Antonio is precise in his advice, understands my business well and is very experienced.” Interviewees further praise his ability to "explain complex cases and the different options we have in terms of their advantages or disadvantages." He is also selected by The Legal 500 as a Leading Individual.

Antonio has broad experience in advising international and domestic clients on all aspects of competition law. He focuses in particular on infringement and merger control proceedings both before the European Commission and the Spanish Competition Authority.

He also has significant experience setting up competition law compliance programmes for Spanish and international corporations.

Companies Antonio has advised over the past year include Accenture, AGEDI/AIE, Altadis (Imperial Brands Group), AMP, Talgo, Azucarera (ABF), Beam Suntory, Berkshire Hathaway, Boehringer Ingelheim, CEPSA, EQT, ICG, Evonik, Gamesa, Globalvia, Google, GSK España, Hanson Hispania, Hispasat, Huntsman, Iberdrola, Janssen Cilag (J&J), JP Morgan, Lubrizol, Macquarie, Mallinckrodt, Novartis, OPTrust, Randstad, RTVE, Saria, SEUR and Yildirim Group.

Antonio is the former vice secretary general of the Spanish Association for the Study of European Law (2008–2019) and a member of the board of directors of the Spanish Association for the Defence of Competition. He is a professor on the competition and European law master’s degree course at the University of Carlos III of Madrid and he is also a professor on the pharmaceutical industry programme at the IE Business School.

Antonio is the author of numerous legal publications and co-author of the Comentario a la Ley15/2007, de 3 de julio, de Defensa de la Competencia, a reference book on competition law to which he contributed the chapter on infringement proceedings.

Antonio received a law degree from the Autonomous University of Madrid and holds a master's degree in European law from the Université Libre de Bruxelles. He is fluent in Spanish, English and French.

Allen & Overy's antitrust and competition practice comprises over 120 specialists operating across Asia, Australia, Europe and North America. The practice advises corporate clients and financial institutions on their global antitrust policies, litigation and regulatory strategies and has acted on some of the highest-profile and most complex cases in recent years.

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