María Martínez is an associate in the Madrid office of Latham & Watkins and a member of the firm’s Global Antitrust & Competition Practice. She focuses on all aspects concerning EU and Spanish competition law.

Ms. Martínez represents international clients on global, European, and Spanish competition matters, including merger control, abuse of dominance, and cartel defense.

Prior to joining Latham, Ms. Martínez worked in a major Spanish law firm, acting for numerous big Spanish and International corporations of different industries, such as pharma, retail distribution, healthcare, automotive, waste management, and media, among others.

Ms. Martínez has also represented clients before the Spanish courts, including, regional courts and the Spanish Supreme Court.

Ms. Martínez´s experience includes advising:

  •  A leading construction company in a Spanish Competition Authority’s investigation regarding bid rigging practices and exchange of information between competitors
  • A leading media Spanish company in the appeal against the Spanish Competition Authority’s decision imposing a fine for imposing anti-competitive conditions in vertical agreements with advertisers*
  • A major financial institution in a Spanish Competition Authority’s investigation regarding an allegedly boycott agreement*
  • Two leading international and Spanish logistic groups before the European Commission in the creation of a joint venture to integrate and manage the finished vehicle logistic business and assets of both companies in Spain*
  • A global investment organization in the acquisition of a Spanish telecommunication company before the Spanish Competition Authority*
  • A multinational automotive manufacturer in a Spanish Competition Authority’s investigation regarding a price-fixing and exchange of information cartel and in the appeal before higher courts including the Spanish Supreme Court*

*Matter handled prior joining Latham

Bar Qualification

  • Spain (Abogado)


  • PhD in European Law, University of Copenhagen
  • Bachelor's Degree in Law (E-1) and Diploma in Business Administration, Universidad Pontificia Comillas

Languages Spoken

  • English