Mrs Fernanda Aviz > Mannheimer, Perez E Lyra Advogados > Rio de Janeiro, Brazil > Lawyer Profile

Mannheimer, Perez E Lyra Advogados
4º ANDAR CENTRO – 20031-005

Work Department

Arbitration and Litigation


Partner of Mannheimer, Perez e Lyra Advogados


Fernanda’s practice is focused on arbitration and civil and corporate litigation, both on consulting related to contractual and pre-litigation matters and in judicial suits and national and international arbitral proceedings, involving matters such as civil, corporate, administrative, constitutional law, corporate restructuring and insurance. She also has experience in the recognition of foreign court decisions and awards. Fernanda represents clients from various business sectors, including infrastructure, construction, oil and gas, atmospheric and industrial gases, telecommunication, navigation, mining, financial market, banking and real estate. She has experience in representing public service concessionaries in strategic and complex litigation, as well as civil associations and corporate entities in complex class actions.

Recommended in the area of dispute resolution (litigation and arbitration) by The Legal 500.


Portuguese, English and Spanish.


Member of the Brazilian Bar Association, Rio de Janeiro Chapter. Member of the Brazilian Arbitration Comittee (CBAr). Member of the Center for Studies for Attorney Partnerships (CESA), being a part of the Committee on Arbitration.


Bachelor’s Degree in Law from the Catholic University of Rio de Janeiro (Pontifícia Universidade Católica do Rio de Janeiro – PUC/RJ), December, 2002. Post-graduate course in Civil Constitutional Law, Rio de Janeiro State University School of Law (Faculdade de Direito da Universidade do Estado do Rio de Janeiro – UERJ), 2008. Masters Degree in Law (LL.M.) from the Columbia University (NY/USA), 2010, when she was awarded with the Harlan Fiske Stone Scholar honor in recognition of superior academic achievement and received the Parker School Certificate of Achievement in International and Comparative Law.

Lawyer Rankings

Brazil > Dispute Resolution: Litigation

Dispute resolution boutique Mannheimer, Perez E Lyra Advogados stands out for its strong capabilities across all types of litigation. Examples include its significant expertise in shareholders’ disputes, post-M&A conflicts and cases involving contractual issues. The firm acts for a diverse client roster, which includes heavyweights from the construction, infrastructure, private equity, oil and gas and financial services sectors. The highly regarded Sergio Mannheimer steers the Rio de Janeiro team on an array of litigation mandates. Tomaz Lyra is the main point of contact in São Paulo; he is adept in matters before state and superior courts. Civil and corporate litigation specialist Fernanda Aviz is another key practitioner, as is Marcela Levy.

Brazil > Dispute Resolution: Arbitration

Mannheimer, Perez E Lyra Advogados has a wealth of experience in the resolution of conflicts through arbitration, and is particularly well versed in international proceedings. The department often works alongside renowned foreign law firms in cross-border matters, and is predominantly retained by clients operating in the construction, infrastructure, financial services and energy sectors. Key areas of expertise include disputes arising from M&A transactions, shareholders’ agreements and major contracts; besides acting as counsel in arbitrations before prominent institutions, the department is also experienced in requests for the recognition of foreign arbitral awards. Sergio Mannheimer oversees the dispute resolution team based in Rio de Janeiro; he has a growing practice as an arbitrator in high-value disputes before the ICC and other arbitral chambers. Tomaz Tavares de Lyra leads the team in São Paulo and is highly regarded. Marcela Levy and Fernanda Aviz, who handle arbitration proceedings as well as civil and corporate litigation, are also part of the core team.