Department profile
Del Chiaro Pereira Advogados

Competition/Antitrust

Brazil Guide 2026 : Brazil


Del Chiaro Pereira Advogados

Rankings

Chambers Review

Provided by Chambers

Competition/Antitrust - Brazil

Band 2

Band 2


What the Team is Known For

Del Chiaro Pereira Advogados is a traditional competition boutique respected for advising on investigations and contentious matters before CADE. The team offers strong capabilities in monopolistic conduct investigations, regularly defending clients in cases arising from abuse of dominant position and cartel activities. Its roster of work additionally includes merger control and compliance matters.

Work Highlights

Provided by Chambers

  • Del Chiaro Pereira Advogados represented Ericsson in a CADE investigation into alleged abusive enforcement of standard essential patents (SEPs) of the 5G mobile standard in Brazil.

Strengths

Provided by Chambers

  • Del Chiaro Pereira Advogados provides a highly personalised service. The team possess a strong knowledge of the subject matter and is very up-to-date on industry trends.

    Competition/Antitrust respondentBrazil
  • Del Chiaro Pereira Advogados has risen to the top of my global counsel rankings. True experts in navigating the Brazilian landscape. The team is incredibly thoughtful, always looking at the broader picture, and consistently meeting deliverables on time. I trust them deeply.

    Competition/Antitrust respondentBrazil
  • Del Chiaro Pereira Advogados consistently delivers high quality work, with a deep understanding of Brazilian competition law and CADE’s practice, providing sound strategic judgement, and a highly user‑friendly approach. The team is technically sophisticated, commercially astute and practical.

    Competition/Antitrust respondentBrazil

Notable Practitioners

Provided by Chambers

  • Senior StatespeopleJosé Del Chiaro Ferreira da Rosa
    Senior StatespeopleJosé Del Chiaro Ferreira da Rosa

    José Del Chiaro Ferreira da Rosa

    José Del Chiaro Ferreira da Rosa is praised by market sources for his broad experience in Brazilian competition and antitrust practice areas. He remains active assisting clients with sophisticated investigations and other proceedings before CADE, as well as judicial disputes arising from CADE decisions.

    • José del Chiaro Ferreira da Rosa brings a high level of seniority and technical expertise, complemented by excellent negotiation skills.

      Competition/Antitrust respondentBrazil
    • José Del Chiaro Ferreira da Rosa brings exceptional experience and technical expertise, both of which were fundamental to navigating the complexity of our case.

      Competition/Antitrust respondentBrazil
  • Band 2Ademir Antonio Pereira Júnior
    Band 2Ademir Antonio Pereira Júnior

    Ademir Antonio Pereira Júnior

    Ademir Antonio Pereira Júnior has a solid reputation in the market for his performance in several competition matters, being particularly active in investigation mandates before CADE.

    • Ademir Antonio Pereira Júnior is exceptionally studious and detail‑oriented. He is someone I admire deeply. He us truly one of the most intelligent people I know.

      Competition/Antitrust respondentBrazil
    • Ademir Antonio Pereira Júnior is a detail‑oriented and strategic lawyer, combining strong technical rigour with the ability to craft sophisticated legal strategies. He remains consistently calm and provides clear guidance on next steps, which gives us great confidence when navigating complex, high stakes matters for our company.

      Competition/Antitrust respondentBrazil
    • I have worked with Ademir for years. His judgement is extremely sound and he has an excellent feel for a jurisdiction that is still evolving. He produces very high quality technical work, and his legal submissions are thorough and well‑researched. His judgement is consistently very solid.

      Competition/Antitrust respondentBrazil
  • Up and ComingLuiz Felipe Rosa Ramos
    Up and ComingLuiz Felipe Rosa Ramos

    Luiz Felipe Rosa Ramos

    Luiz Felipe Rosa Ramos is sought after for his experience working with several industries, especially matters related to the digital economy. He also has experience in antitrust compliance and in legal advice.

    • Luiz Felipe Rosa Ramos is a talented young lawyer who skillfully connects the law firm’s experience with current market trends.

      Competition/Antitrust respondentBrazil
    • Luiz Felipe Rosa Ramos is super attentive and helpful, with great technical knowledge and experience.

      Competition/Antitrust respondentBrazil

Ranked Individuals at Del Chiaro Pereira Advogados (3)

Brazil

Del Chiaro Pereira Advogados has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership