Wald, Antunes, Vita, Longo e Blattner Advogados > Sao Paulo, Brazil > Firm Profile

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

Brazil > Dispute Resolution: Arbitration Tier 3

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.

Practice head(s):

Arnoldo Wald; Alexandre de Mendonça Wald; Arnoldo Wald Filho; Mariana Tavares Antunes; Riccardo Giuliano Figueira Torre; Marina Gaensly Blattner


‘Arnold Wald Filho stands out in commercial arbitration.’

‘Great professional experience and client focus. Riccardo Torre and Marina Blattner are recommended.’

Brazil > Dispute Resolution: Litigation Tier 3

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.

Practice head(s):

Arnoldo Wald; Alexandre de Mendonça Wald; Arnoldo Wald Filho; Mariana Tavares Antunes; Marcus Vinicius Vita Ferreira; Marina Gaensly Blattner; Bernardo Cavalcanti Freire; Eduardo Cezar Chad


‘Competent and dedicated professionals, close to the business and committed to results.’

‘Bernardo Freire stands out in administrative and civil litigation.’

‘Great technical knowledge; proximity to the client; always aim to solve the client’s problem. Eduardo Chad is recommended.’

‘This is a firm that combines important qualities with a highly competent team, 24/7 customer service with a high degree of assertiveness in their work. I would like to highlight Alexandre Wald, Mariana Antunes and Eduardo Chad.’

‘Technical capacity, availability, and strategic vision. Bernardo Freire is recommended.’

Key clients

Partido Humanista da Solidariedade – PHS

Grupo Farmabrasil

Confederação Nacional dos Pescadores e Aquicultores – CNPA

Companhia Docas do Estado de São Paulo – CODESP

Viação Aérea de São Paulo – VASP


BTG Pactual


Alliance Shopping Centres



CESP- Companhia Energética de São Paulo

NOKIA Technlogies

Work highlights

  • Represented Partido Humanista da Solidariedade before the Supreme Federal Court as claimant in an ADI (Direct Unconstitutionality Action).
  • Acts for Grupo Farmabrasil before the Supreme Federal Court as amicus curiae in ADI n. 5529, which aims at declaring the unconstitutionality of the sole paragraph of Article 40 of Law No. 9,279 / 96.
  • Represented Confederação Nacional dos Pescadores e Aquicultores – CNPA as claimant of ADPF (a claim of non-compliance with a fundamental precept) n. 389.

Founded by Professor Arnoldo Wald in 1954, Wald, Antunes, Vita e Blattner Advogados is a highly specialized litigation and arbitration law firm.

The firm works on major corporate disputes, representing minority and majority shareholders, as well as on disputes involving businesses that provide public services and contracts signed with the public administration or state entities.

Wald Antunes Vita e Blattner deals with domestic and international institutional arbitrations and ad hoc proceedings. Its lawyers may also serve as arbitrators, experts and consultants in arbitral proceedings under the rules of several Brazilian arbitral institutions (such as CAM/CCBC, CCMA-CIESP/FIESP, CAMARB, CBMA, FGV, CAM/BOVESPA, among others), as well as under those of foreign institutions (such as ICC, AAA/ICDR, LCIA and UNCITRAL).

Furthermore, the arbitration team has advised clients in court proceedings related to arbitration (such as precautionary measures, and recognition and enforcement of foreign awards), as well as producing legal opinions and statements.

Recently, the firm won the prestigious Latin Lawyer’s 2018 Deal of the Year for the ‘Banks and depositors settle disputes from Brazil’s hyperinflation period’, a major settlement among banks and depositors that represented a milestone in the country’s history.

As a recognition for the outstanding works in some of the biggest dispute resolution cases and M&A deals, Wald, Antunes, Vita e Blattner Advogados has been previously awarded the Deal of the Year also in 2016, 2013, 2010, 2009, and 2008.

Its team of lawyers stands out for its unparalleled expertise and experience in extremely complex matters, regarding corporate law, commercial law, contracts, banking, energy and infrastructure sectors, among others. The firm also represents public utility companies in greatly important disputes involving governmental contracts. The firm has vast experience when dealing with cases regarding hydroelectric power plants and their energy providers, corporate disputes as shareholding control acquisition, litigation involving regulatory agencies, and arbitrations regarding national and international trades.

For many years, Latin Lawyer 250, Chambers Global, Chambers Latin America, The Legal 500 and Who’s Who Legal have nominated the firm and its managing partners within the first tier of litigation and arbitration firms. In 2014 and 2015, “Editora Análise 500 – Brazilian most admired lawyers” ranked the firm as first and second, respectively, dispute resolution highly specialized law firm of the year.

Litigation Alexandre de Mendonça Wald
Litigation Arnoldo Wald Filho
Litigation Mariana Tavares Antunes
Litigation Marcus Vinicius Vita Ferreira
Arbitration Arnoldo Wald
Arbitration Mariana Tavares Antunes
Arbitration Marina Gaensly Blattner
Administrative, Regulatory and Infrastructure Arnoldo Wald
Administrative, Regulatory and Infrastructure Mariana Tavares Antunes
Administrative, Regulatory and Infrastructure Marina Gaensly Blattner
Commercial/Corporate Alexandre de Mendonça Wald
Commercial/Corporate Arnoldo Wald Filho
Commercial/Corporate Marcus Vinicius Vita Ferreira
Debt Restructuring and Bankruptcy Arnoldo Wald Filho
Banking and Finance Arnoldo Wald
Banking and Finance Alexandre de Mendonça Wald
Banking and Finance Marcus Vinicius Vita Ferreira
Litigation Bernardo Cavalcanti Freire
Litigation Eduardo Cezar Chad
Arbitration Riccardo Giuliano Figueira Torre
Mr Bernardo Cavalcanti Freire  photo Mr Bernardo Cavalcanti Freire Senior Partner    
Mr Eduardo Cezar Chad  photo Mr Eduardo Cezar Chad Senior Partner  
Mr Riccardo Giuliano Figueira Torre photo Mr Riccardo Giuliano Figueira TorreSenior Partner        
Mrs Marina Gaensly Blattner  photo Mrs Marina Gaensly Blattner Naming partner.  
Mrs Letícia Perrone Campos Mello  photo Mrs Letícia Perrone Campos Mello International Partner
Mrs Mariana Tavares Antunes  photo Mrs Mariana Tavares Antunes Naming Partner. Mariana Antunes is a highly qualified litigator with experience in…
Mr Arnoldo Wald photo Mr Arnoldo WaldFounding partner  
Mr Arnoldo Wald Filho  photo Mr Arnoldo Wald Filho Managing Partner.  
Mr Alexandre de Mendonça Wald  photo Mr Alexandre de Mendonça Wald One of Wald’s Founding Partners, Alexandre Wald has almost 30 years of…
Other fee-earners : 22
Total staff : 34