« Back

José Augusto Caleiro Regazzini

José Augusto Caleiro Regazzini

Practice Groups



Office: São Paulo
Phone: (55 11) 5086-5301


Professional experience

Co-head of the firm’s Competition Law group, José Augusto advises domestic and international clients on the full range of competition issues, including mergers, cartels, leniency, and compliance. He has extensive experience in the notification and approval of mergers reviews and a wide variety of other competition matters, including defending companies accused of anticompetitive practices and preparing briefs to protect clients’ interest. As a respected authority on competition law, he is often invited to write and lecture on topics related to the area in Brazil and abroad.


He is recognized in the most important international legal publications, such as Chambers Global, Chambers Latin America, Legal 500, Latin Lawyer 250, GCR 100, IFLR 1000, Expert Guides, Who’s Who Legal and Expert Guides.


  • English


  • MCJ from the Law School of the New York University (NYU), USA, 1978.
  • Graduate of the Law School of Universidade de São Paulo (USP), 1974.

Additional activities:

  • Co-chair of the Antitrust Committee of the International Bar Association (IBA).
  • Former chair of the Legislation Committee of the American Chamber of Commerce in São Paulo (AMCHAM).
  • Former vice-chair of the Brazilian Institute for Competition, Consumer Law and International Trade (IBRAC) - 2000-2005.


  • Co-author of "Brazil" chapter from the book Corporate Internal Investigations. Oxford University Press, 2013.
  • Co-editor of the book Competition Law in the BRICS Countries. Alphen aan den Rijn: Kluwer Law International, 2012.
  • "Brazil" chapter from the book Getting the Deal Through - Vertical Agreements. London: Global Competition Review, ed. 2007-10.
  • "Brazil" chapter from the book Getting the Deal Through - Merger Control. London: Global Competition Review, ed. 2001-present.
  • José Augusto frequently publishes articles on competition issues in respected national and international publications such as Latin Lawyer, World Law Group (WLG) and Revista Capital Aberto.

« Back