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Sofia Gaviao Kilmar

Sofia Gaviao  Kilmar

Practice Groups

Litigation, Cybersecurity & Data Privacy, Technology & Innovation, Digital Electoral Law


Office: São Paulo
Phone: (55 11) 964884197


Professional experience

TozziniFreire’s partner in the Litigation practice, Sofia has extensive experience in Tech Litigation, having assisted some of the most relevant tech companies in matters related to the Brazilian Civil Rights Framework for the Internet and the General Data Protection Law (LGPD). Her work comprises all strategic litigation, from civil investigations and public civil actions to leading cases at different national courts.




  • English
  • French
  • German


  • Master’s degree in Commercial Law from USP (Universidade de São Paulo), having been a visiting researcher at the Max Planck Institute for Innovation and Competition, in Munich, Germany.
  • Several specialization (lato sensu) degrees in Civil Procedural Law and Technology, from Harvard University, Fundação Getulio Vargas, and Institute for Technology and Society of Rio de Janeiro.
  • Graduate of the Law School of USP (Universidade de São Paulo).
  • University extension in École des Sciences Politiques de Paris (Sciences Po Paris), France.

Additional activities:

  • Member of the Digital Law and Competition Committee at IBRAC (Brazilian Institute of Studies on Competition, Consumer Affairs and International Trade).
  • Member of the Digital Law Committee of CESA (Association of Brazilian Law Firms).
  • Member of OAB (Brazilian Bar Association) in São Paulo, Rio de Janeiro, Distrito Federal, and Rio Grande do Sul sections.
  • Member of AASP (Association of Lawyers of São Paulo).



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