Maria Eugênia specializes in filings, investigations, and negotiations with the Administrative Council for Economic Defense (CADE).
Large part of her work concerns analysis of antitrust risks and drafting of specific M&A contractual provisions; definition of strategy and conduction of complex antitrust filings before CADE; defense of clients in investigations on cartel and abuse of dominance cases; negotiation of leniency agreements and settlement agreements with CADE; and assistance in internal investigations of anticompetitive practices. Additionally, Maria Eugênia regularly assists clients in antitrust compliance programs.
Maria Eugênia has experience in providing legal assistance to clients of several industry areas, such as: automotive, packaging, pharmaceutical, medical equipment, chemical and petrochemical, energy, paper and cellulose, oil and gas, communication, and technology.


Brazilian Bar Association (OAB)
Brazilian Institute for Competition, Consumer and International Trade Studies – IBRAC (Advisor, 2011 a 2015, Compliance Director, 2016)
International Bar Association (IBA)

Recent acknowledgments

Recommended by The Legal 500, 2021 edition, in Competition and Antitrust.

Recognized by Latin Lawyer National, 2020 edition, in Competition and Antitrust.

Ranked by the Chambers Latin America 2016, 2017, 2018, 2019, 2020 and 2021, in Competition and Antitrust.
Recognized by Lacca Approved in Antitrust, editions 2017, 2018 and 2019.
Ranked among the lawyers most admired by Análise Advocacia 500 (2018) in Competitive and by State (São Paulo).
Ranked among the most admired lawyers Advocacia 500 (2019) in Competitiveautomotive and parts, communication and interternimento, chemistry and petrochemical and by State (São Paulo).
Recommended by Who's Who Legal Brazil 2019 as Future Leaders in Competition and Antitrust.
Recognized by the Leaders League 2019 as Excellent in Investigation and Antitrust.
Recommended by The Legal 500, 2019 editionin Competition and Antitrust.
Recognized by Latin Lawyer 250, in Competition and Antitrust, edition 2018.


Universidade Federal da Bahia, Brazil (Bachelor of Laws, 1997).
Law School of the Leiden University, Netherlands (LL.M. International Business Law, 2003).

Other qualifications

Participant of internship on international trade in the Brazilian Mission to the World Trade Organization (2004)

Recent publications

Eloise Hardy   Brazil’s Machado Meyer Advogados has helped local hospital...[+]
The approval of the Superintendence-General (SG) of Cade (Administrative Council for Economic...[+]
The Administrative Council for Economic Defence (Cade), through its Department of Economic...[+]
Pinheiro Neto Advogados and Machado Meyer Advogados have helped Brazil's Localiza Rent A Car...[+]
The Administrative Council for Economic Defense (Cade) submitted to public consultation a preliminary...[+]
Since the declaration of the state of public calamity, the Administrative Council for Economic...[+]
The covid-19 pandemic has had an impact on the actions of the Administrative Council for Economic...[+]