Mr Guilherme Ribas > TozziniFreire Advogados > Sao Paulo, Brazil > Lawyer Profile

TozziniFreire Advogados Offices

TozziniFreire Advogados
R. BORGES LAGOA 1328
SAO PAULO, SP
CEP 04038-904
Brazil
Visit website 55 11 5086 5000

Mr Guilherme Ribas

Guilherme Ribas photo
(55 11) 50865198 gribas@tozzinifreire.com.br

Work Department

Competition Law

Position

Partner

Career

Guilherme has over 23 years of experience in competition law, having worked at both public agencies and private companies, assisting clients in different industries, such as pharmaceutical, telecommunications, internet, technology, payment service providers, food and beverages, textile, and plastics. His practice is focused on advising clients on cartel investigations and unilateral conducts, as well as on mergers and compliance programs. He served as general coordinator in the now extinct SDE (Secretariat of Economic Law) of the Ministry of Justice, where he conducted the first antitrust dawn raids and drafted the antitrust compliance guidelines (SDE Ordinance No. 14/2004).

Languages

  • Spanish
  • French
  • English

Memberships

  • Director of Competition at IBRAC (Brazilian Institute of Studies of Competition, Consumer Affairs and International Trade), where he was director of Compliance & Investigations, Publications, Regulation, and president of the Advisory Board.
  • Member of the Competition Law Committee of OAB-SP (Brazilian Bar Association, São Paulo section) since 2008.
  • Founder of GEDECON (Study Group of Economic Law).
  • Member of CEDAU (Center of Studies on Administrative, Environmental and Urban Law).

Education

  • Doctoral degree in Administrative Law from USP (Universidade de São Paulo), 2015.
  • Master’s degree in Commercial Law from USP, 2011.
  • University extension studies of Competition Law at FGV (Fundação Getulio Vargas), 2004.
  • Graduate of the Law School of USP, 1999.

Lawyer Rankings

Brazil > Competition and antitrust

TozziniFreire Advogados‘ competition and antitrust team is noted for its ‘excellence in service, technique and assertiveness‘. The firm demonstrates a wealth of experience in proceedings before CADE, advising clients on the negotiation of leniency and settlement agreements, merger filings, cartel investigations and unilateral cases. Marcelo Calliari, who is retained by major international companies and has played a prominent role in the largest damages class action in Brazil, spearheads the practice. With over two decades’ experience in competition law, Marcel Medon Santos has been particularly active in the negotiation of settlement agreements with CADE in investigations of conduct. Other noteworthy partners include Guilherme Ribas and Vivian Fraga, the latter of whom is adept at defending clients in complex antitrust litigation. Merger review cases are a key area of expertise for Tatiana Lins Cruz, who acts for both acquirers and opposing parties. Patricia Bandouk Carvalho handles leniency negotiations and investigations, and also often acts for defendants in cartel cases.

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