Mrs Mariana Tavares Antunes > Wald, Antunes, Vita, Longo e Blattner Advogados > Sao Paulo, Brazil > Lawyer Profile

Wald, Antunes, Vita, Longo e Blattner Advogados
04543-906 SÃO PAULO

Work Department



Administrative / Infrastructure and concessions.

Commercial / corporate.

Judicial Reorganization and bankruptcy.

Banking and financial.



Naming Partner. Mariana Antunes is a highly qualified litigator with experience in domestic and international complex and specialised matters, focusing on Litigation, Administrative and Regulatory Law.



Currently managing partner Featured in various professional rankings, such as Análise Advocacia magazine (Most Admired Lawyers) in 2012, 2014, 2015, 2016, 2018 and 2019; LACCA Approved (Best Litigators in Latin America) in 2013, 2014, 2015, 2016,2018 and 2019; LACCA Thought Leaders 2018 and 2019; also listed in editorial analysis published by specialist publications, such as Chambers Global, Chambers Latin America, Latin Lawyer 250 and The Legal 500.

Collaborator in legal collective publications that deal with procedural and civil law.



Portuguese, English.



Member of the Lawyers Associations’ comission from the Brazilian Bar (OAB).



LLB from Pontifical Catholic University of São Paulo (LLB, 1997). Advanced Mediation Workshop: Mediating Complex Disputes – Harvard Negotiation Institute (2017).




Lawyer Rankings

Brazil > Dispute Resolution: Arbitration

The experienced team at Wald, Antunes, Vita e Blattner Advogados is able to handle institutional and ad hoc arbitrations, representing a range of clients before Brazilian and international arbitration chambers. Disputes involving stock market investments, engineering and infrastructure contracts are key areas of focus for the arbitration department, which is also equipped to assist with the enforcement of foreign arbitral awards. The team is under the joint leadership of six practitioners: name partner Arnoldo Wald; Mariana Tavares AntunesAlexandre de Mendonça Wald, who has specialist knowledge of banking, capital markets and corporate law; Arnoldo Wald Filho, whose experience covers banking matters and arbitration; litigation and arbitration specialist Riccardo Giuliano Figueira Torre; and Marina Gaensly Blattner.

Brazil > Dispute Resolution: Litigation

The litigation department at Wald, Antunes, Vita e Blattner Advogados attracts praise for its ‘technical capacity, availability and strategic vision‘. Its practitioners are regularly instructed by clients from a variety of industries in relation to infrastructure, commercial, corporate, restructuring and banking-related disputes. In the administrative litigation sphere, the team is sought after by public service concessionaires looking for legal support in the context of enforcement matters and bid protests. Civil litigator Mariana Tavares Antunes is extremely active in the team, which also includes Arnoldo Wald Filho, who focuses on litigation and arbitration, and contractual law specialist Marcus Vinícius Vita Ferreira. Bernardo Cavalcanti Freire and Eduardo Cezar Chad are widely recommended by clients. Other names to note include Arnoldo Wald, Alexandre de Mendonça Wald and Marina Gaensly Blattner. Since publication, Samantha Mendes Longo left the firm, in October 2021.