Mannheimer, Perez E Lyra Advogados
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With extensive experience in representing clients before the superior courts, Mannheimer, Perez E Lyra Advogados’ litigation team is a go-to choice for strategic disputes at both state and federal levels, showcasing particular strength in contractual, transactional and shareholder disputes. Sergio Mannheimer, who is based in Rio, excels in corporate litigation. Fernanda Aviz is a key practitioner for civil, administrative, constitutional and corporate disputes. Tomaz Lyra left the firm in March 2026.
Legal 500 Editorial commentary
Key clients
- Pirelli
- Álya Construtora
Work highlights
Represents the Federal Republic of Germany in multiple lawsuits arising from the Changri-lá shipwreck caused by a German U-199 submarine on the Brazilian coast during World War II.


