LAWYER PROFILE
Marcel Medon Santos

Marcel Medon Santos

Brazil 2026

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Chambers ranking badge

Ranked in 1 practice area

About

Provided by TozziniFreire

Brazil: Contentious

Practice Areas

Antitrust

Career

Marcel has long experience with antitrust law. He was Legal Coordinator and Director of the Secretariat of Economic Law of the Ministry of Justice (SDE/MJ), where he worked for six years (2001-2007). He was one of the officials responsible for the implementation of the modern investigation techniques currently used by the Brazilian Competition Protection System (including dawn raids and leniency agreements). Marcel also has solid expertise in the private practice, assisting clients with risk assessment of business practices, investigation of conducts, merger review and implementation of corporate compliance programs.

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Competition/Antitrust - Brazil

Band 5
Band 5

Individual Editorial

Marcel Medon Santos is frequently retained by companies to negotiate agreements and conduct investigations related to anticompetitive behaviour, as well as to file merger reviews before CADE. Marcel Medon Santos is also active in judicial disputes involving cartel damage claims.

Ranked Individuals at TozziniFreire (87)

Brazil

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