
Demarest Advogados is recognised for its capability in high-stakes competition matters, including merger control, unilateral conduct and cartel investigations. The firm has been active in the wave of sensitive information exchange investigations that have come to prominence in Brazil, notably in the auto parts, healthcare and consumer goods sectors. The practice is jointly led by Bruno Drago, who brings a wealth of knowledge across the full range of competition matters; Daniel Oliveira Andreoli, known for his expertise in abuse of dominance cases, leniency agreements and merger reviews; and Marco Antonio Fonseca, who represents both defendants and claimants in anticompetitive conduct cases. Mariana Llamazalez Ou possesses substantial experience leading and coordinating complex merger control proceedings before CADE, with additional notable experience in HR information exchange investigations.
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Key clients
- Bayer
- Petrobras
- Qualcomm
- Vale
- Heineken
- Alcoa
- SBT
- Bridgestone
- Cantu
- Disney
- DaVita
- Imerys
Work highlights
Acted as counsel to Petrobras in the change of control over Braskem, from Novonor (Odebrecht) to Shine I, an investment fund advised by IG4.
Acted as counsel to the Bayer Group to achieve a trifecta settlement agreement relating to three separate CADE investigations into HR information exchange (MedTech, GES/GEAB and GECON).
Advised DaVita on the merger filing for its $300m acquisition of Fresenius Medical Care’s Latin American operations.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Bruno Drago; Daniel Oliveira Andreoli; Marco Antônio Fonseca
Other key lawyers
Mariana Llamazalez Ou; Otávio Cividanes; Raphael Póvoas


