Ademir Antonio Pereira Junior

Ademir Pereira is a co-head of the antitrust/competition practice at Advocacia Del Chiaro. He has acted in several complex Antitrust/Competition cases and has assisted companies in the digital economy in navigating a changing regulatory landscape.

Ademir has been extensively recognized by international publications as one of the top antitrust/competition attorneys in Brazil. He has represented clients in the most relevant cases in the digital economy, including Internet, telecommunications, cloud computing, and has worked on matters that shaped the interface between IP and Antitrust in Brazil.

In addition, Ademir has extensive experience with cases in industries like pharmaceutical, consumer products, steel, mining, infrastructure and automotive. His experience comprises the entire range of antitrust issues, including merger review, cartel investigations and several landmark single-firm conduct cases.

Ademir has published many articles on Antitrust/Competition Law, IP and Antitrust, internet regulation and financial regulation in specialized reviews. He has also co-authored books on Competition Law, Litigation and Economic Law.

RECOGNITION

• Ranked as a leading Brazilian attorney in Antitrust/Competition by Chambers and Partners (Band 2).
• Nominated a “Next Generation Lawyer” in Antitrust/Competition by Legal 500 (Legalease).
• Listed as a “40 Under 40” by Global Competition Review, honoring the best 40 lawyers in the world under 40 years of age.
• Winner of the “Lawyer of the Year – Competition and Antitrust” in the Legal500 Brazil Awards 2023.
• Shortlisted for the Global Competition Review Awards as “Lawyer of the Year (under 40)”in 2021.
• Who’s Who Legal nominee in Competition and in the “Thought Leader – Global Elite” category.
• Recognized by Análise Advocacia as one of the “most admired” attorneys in Competition, automotive, logistics, mining and steel.
• Recognized by the Leaders League Brasil publication in the “Competition & Antitrust” category.

EDUCATION

• PhD in Commercial Law from the University of São Paulo.
• Master’s degree (LLM) in Law, Science and Technology from Stanford University.
• Master’s degree (LLM) in Economic Law from the University of São Paulo (USP).
• Bachelor of Laws (LLB) from the University of São Paulo (USP).

PROFESSIONAL MEMBERSHIPS

• Admitted to the Brazilian Bar Association (São Paulo and Brasilia).
• Member of the Competition Law Commission of the Federal Council of the Brazilian Bar Association.
• Chair of the Competition Committee at the Brazilian Institute for Corporate Law.
• “Non-residential fellow” at the Stanford Center for Internet and Society.

Spotlight

“’Brilliant antitrust lawyer’ Ademir Antonio Pereira Júnior is ‘highly motivated’ and ‘always to the point.’” – The Legal 500, 2019.

“‘A rising star in Brazil’s antitrust community’, Ademir Antonio Pereira Júnior provides ‘clear and easy-to-understand advice’.” The Legal 500, 2018.

 “Ademir Antonio Pereira Júnior is described by one client as ‘a lawyer who is capable of combining theoretical and practical knowledge of competition law with an understanding of how CADE operates.’ Another interviewee describes him as ‘an absolute competition law expert,’ while another says he is ‘very dedicated and thoughtful.’” – Chambers and Partners Latin America, 2019.