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Antonio Marzagão Barbuto Neto

Antonio Marzagão Barbuto Neto

Practice Groups

Litigation, Arbitration , Cybersecurity & Data Privacy , Education


Office: São Paulo
Phone: (55 11) 5086-5245


Professional experience

Partner in the Arbitration and Litigation practice groups, Tony has wide experience in cases before Brazilian courts and complex arbitration matters before domestic and international arbitration institutions, as well as in the assistance to Brazilian clients with New York-related disputes. He served as a foreign associate in the New York office of Debevoise & Plimpton and is licensed to practice law in the courts of that state. Tony also represents clients in advertising cases brought before the Brazilian Advertising Self-Regulating Body (CONAR).


Antonio is recognized for his arbitration and litigation skills by Chambers Global, Chambers Latin America, Latin Lawyer 250, The Legal 500, Who’s Who Legal, GAR 100, Expert Guides - Rising Stars (Commercial Arbitration) and Análise Advocacia 500.


  • English


  • Specialized degree in Business Management from Business School São Paulo, 2007.
  • LL.M. in General Studies from the New York University School of Law, USA, 2005.
  • Graduate of the Law School of USP (Universidade de São Paulo), 2001.

Additional activities:

  • Member of IADC (International Association of Defense Counsel).
  • Member of NYSBA (New York State Bar Association).
  • Member of the Advisory Board at ITA (Institute for Transnational Arbitration).


  • Practical Law - Digital Business in Brazil: Overview (co-author). London: Thomson Reuters, 2015 and 2018.
  • "Brazil" chapter (co-author). In Latin Lawyer Reference - Arbitration. London: Law Business Research, 2018.
  • "Brazil" chapter (co-author). In GAR Know How - Commercial Arbitration. London: Law Business Research, 2018.
  • “Brazil” chapter (co-author). In Litigation: Chambers Global Practice Guides. London: Chambers & Partners Publishing, 2017.
  • "A Prática, a Construção e a Solidificação da Arbitragem" chapter (co-author). In 40 Anos de Direito Empresarial no Brasil. São Paulo: Quartier Latin, p. 65-79, 2016.
  • Brazilian Arbitration: The Booming Years - A Collection of Articles about the Development of Arbitration in Brazil from 2007 to 2014 (co-author). São Paulo: TozziniFreire, 2014.
  • "Brazil" chapter (co-author). In Corporate Internal Investigations. London: Oxford University Press, 2013.
  • Antonio has published articles in a number of national and international publications, such as Valor Econômico, Global Arbitration Review, and International Law Office.

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