LL.M., University of Michigan Law School, Ann Arbor, MI-USA (Fulbright Scholarship, William W. Cook Fellowship, 1984)
EU Law Diploma, College of Europe, Bruges – Belgium (Ministry of Foreign Affairs Scholarship, 1981)
Law degree, University of Lisbon Law School,1976


Professional career

Founding partner of Marques Mendes & Associados (1999-2014)
Marques Mendes Advogados (1995-1998)
Founding partner of Botelho Moniz, Magalhães Cardoso, Marques Mendes & Ruiz (1987-1995)Belmont Community Law Office – Brussels, Associate (1982-1983)
European Commission – Legal Service, trainee (1981-1982)


European Union Law, Competition / Antitrust Law, M&A, Telecommunications, Energy, Media, Agency and Distribution, Intellectual / Industrial Property, International Trade Law and Arbitration.


Lecturer, University of Lisbon Law School, “I and II Post Graduate Courses on Law Enforcement, Compliance and Criminal Law in the banking, financial and economic sectors”
Lecturer, 2016, Nova Law School, Post Graduate Course on Labour Law, teaching “Crosscurrents between Competition and Labour Laws”
Lecturer, since 2015, at the University of Lisbon Law School in “I Curso Pós-Graduação sobre Law Enforcement, Compliance e Direito Penal nas atividades bancária, financeira e económica”
Lecturer in International Trade Law at the Centre for European Studies, Portuguese Catholic University, Lisbon (1986-95)
Assistant-Professor of Law at the University of Lisbon Law School (1985-90)

Membership of professional bodies and associations

Member of the Portuguese Bar Association (OA) since 1976
Vice-President of the Lisbon Council of the Portuguese Bar Association (1996-1999)
Founder and first Chairman of the Board of the Association of Portuguese Competition Lawyers – “CAPDC” (2009-2011)
Chairman of the Consultative Council and Chairman of the General Assembly of “CAPDC” (2011-2013)
Member of the International Bar Association (IBA)
Member of the Portuguese Association of European Law
Member of the official list of arbitrators of the Commercial Arbitration Center of ACL (Lisbon Commercial Association / Portuguese Chamber of Commerce and Industry)




Co-author of the Portuguese chapter about Private Antitrust Litigation, Getting the Deal Through, Law Business Research, 2018
Co-author of the Portuguese chapter about Cartel Regulation, Getting the Deal Through, Law Business Research, 2018 (since 2015)
Co-author of the Portuguese chapter about Merger Control, Getting the Deal Through, Law Business Research, 2018 (since 2015)
Co-author of the Portuguese chapter about Dominance, Getting the Deal Through, Law Business Research, 2017 (since 2015)
Co-author of the Portuguese chapter about Market Intelligence – Merger Control, Law Business Research, 2015
“Merger of Competition and Regulatory Authorities: Will it Prove the Most Efficient Solution?” (2013)
“The New Competition Law and Collaboration Duties – The Duty to Collaborate and the Right to Non-Self-Incrimination” (2012)
“The Rules Applying to Commitments and Settlements in the New Portuguese Competition Law Regime”(2012)
“The Prohibition of Quantitative Restrictions among Member States – Articles 34 to 37 TFUE”, in Lisbon Treaty – A Commentary (2012)
“The Application of EU Competition Rules in Portugal – Judicial Review and the Case-Law of the Lisbon Commerce Court and of the Lisbon Appeals Court” (2012)
“Arbitrability of disputes based on competition law” (2011)
“The Powers of the Portuguese Competition Authority and of the Portuguese Courts to impose structural remedies for infringement of Competition rules” (co-author, 2010)
“The Private Enforcement of Competition Rules in the EU” (2010)
“The Financing of the Broadcasting Public Service – The Financial Restructuring of RTP in the Light of the EU State Aid Rules”(2007)
“Article 21 of the Merger Regulation: European Commission v. the Portuguese Republic – An Unsolved Controversy” (2005)
“From Cassis de Dijon to Altmark Trans and Beyond: Trends in the Assessment of State Intervention by the European Courts” (2004)
“EC Competition Rules in National Courts: Portugal” (co-author, 1999)
“Trade Measures, Competition Policy and the Consumer – Comment”, in Trade Laws of the European Community and the United States in a Comparative Perspective (1992)
“Antitrust in a World of Interrelated Economies: the Interplay Between Antitrust and Trade Policies in the U.S. and the EEC” (1991)
“Rights of Private Parties – Comment”, in Subsidies and International Trade – A European Perspective (1991)
“Predatory Prices – A Decision of the Competition Council of October 26, 1988” (1990)
“Anti-Dumping and State Aids Regulation in Portugal”, National Report presented at the 1986 FIDE Congress, Paris (1986)


  • 2021
  • 2020
  • 2019

Best Lawyers 2021 (since 2010). Competition / Antitrust Law

Lawyer of the Year

Best Lawyers 2021 (since 2010). European Union Law

The Chambers Europe 2020. Competition/European Law – Portugal

"solid knowledge and experience."

Best Lawyers 2020 (since 2010). Competition / Antitrust Law

Best Lawyers 2020 (since 2010). European Union Law

Legal 500 2020. EU & Competition-Portugal

Best Lawyers 2019 (since 2014). Competition and Antitrust Law

The Chambers Europe 2019. Competition/European Law – Portugal

The Legal 500 2019. EU and Competition

Leading lawyer