Mr Guilherme Ribas > TozziniFreire Advogados > Sao Paulo, Brazil > Lawyer Profile
TozziniFreire Advogados Offices
R. BORGES LAGOA 1328
SAO PAULO, SP
CEP 04038-904
Brazil
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Mr Guilherme Ribas
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.
Lawyer Rankings
Top Tier Firm Rankings
- City focus - Porto Alegre > Commercial, corporate and M&A
- Competition and antitrust
- Compliance
- Labour and employment
- City focus - Porto Alegre > Tax
Firm Rankings
- Banking and finance
- Capital markets
- Tax > Customs
- City focus - Porto Alegre > Dispute resolution
- Dispute Resolution: Arbitration
- Dispute Resolution: Litigation
- Environment
- City focus - Porto Alegre > Labour
- Public law
- TMT: Cybersecurity and data privacy
- TMT: Tech, innovation and digital business
- Venture capital
- Corporate and M&A: High-end
- Energy and natural resources > Electricity (and renewable energy)
- Insurance
- International trade
- Life sciences
- Projects and infrastructure
- Real estate
- Tax > Tax advisory
- Tax > Tax litigation
- TMT: Media
- TMT: Telecoms
- Intellectual property
- White-collar crime and investigations
- City focus - Brasilia > Tax