Firm Profile > Gustavo Binenbojm & Associados (GBA) > Rio de Janeiro, Brazil

Gustavo Binenbojm & Associados (GBA)

Brazil > Public law Tier 5

Specialised in cases involving constitutional law, Gustavo Binenbojm & Associados (GBA) stands out for its strong track record before the Supreme Federal Court. The Rio de Janeiro-based firm offers representation to clients in the media, telecoms, technology, insurance and energy sectors in an array of administrative, judicial and arbitration proceedings related to constitutional and regulatory law. Key areas of expertise include freedom of speech and of the press. Some of the biggest media conglomerates often seek Gustavo Binenbojm‘s assistance with high-profile disputes. Other noteworthy practitioners include Alice Voronoff, Rafael Koatz and André Cyrino. Rafaela Canetti recently joined the practice, having previously been at the Supreme Federal Court. Flávio Carvalho Britto left the firm in December 2020.

Practice head(s):

Gustavo Binenbojm


‘Gustavo Binenbojm & Associados is composed of a highly qualified, technical and excellent team. With expertise in the market and wide experience in complex matters of Public Law, the practice stands out for its ability to prepare robust and sophisticated theses in the most diverse Courts in the country, including the Superior Courts.’

‘Captained with excellence by Gustavo Binenbojm, the team has great synergy among themselves, extensive theoretical knowledge in matters of Public Law and stands out in the market for its vast experience in hard cases. In particular, it is worth highlighting the brilliance, practical and theoretical solidity of the founding partner Gustavo Binenbojm, the partners Rafael Koatz and Alice Voronoff.’

‘Lawyers with solid training and who are a reference in the area of ​​Public and Regulatory Law. Extreme technical quality, aggregation of knowledge in the definition of solutions and strategies, ability to interact with both legal professionals and company executives, availability to meet exceptional and urgent demands and quick and punctual response.’

Key clients

Organizações Globo


Associação Brasileira de Concessionárias de Rodovias – ABCR

Centrais Elétricas Brasileiras – ELETROBRAS


MRS Logística

FENASAÚDE (National Federation of the Health Insurance Companies)

CNSEG – Confederação Nacional das Empresas de Seguros Gerais, Previdência Privada e Vida, Saúde Suplementar e Capitalização

ABERT (Brazilian Association of Radio and Television Broadcasters)

British American Tobacco – BAT

Concessionária VIARIO

AGROSB Agropecuária

ELEVA Educação


CEPTIS Soluções

Concessionária do Aeroporto Internacional de CONFINS

BR Marinas Glória

Founded in 2003, Gustavo Binenbojm & Associados is recognized for its high level of expertise and exceptionally qualified team. The firm’s differential is the development of sophisticated and innovative solutions.

GBA advises and represents national and foreign clients from various sectors both in the consulting area (preparation of legal documents, memoranda and legal opinions) and in strategic litigation (judicial, administrative and arbitration). The firm’s lawyers and partners are active in all courts in Brazil, with emphasis on the Superior Courts, and, in particular the Superior Court of Justice (Superior Tribunal de Justiça – STJ) and the Supreme Federal Court (Supremo Tribunal Federal – STF), where BCB is conducting significant lawsuits, with great repercussion within the scope of constitutional jurisdiction.

GBA also represents clients in arbitrations and mediations involving administrative, civil, commercial and corporate law matters, in national and international chambers. Some of our partners serve as arbitrators and mediators.

The firm is composed of partners and lawyers with doctoral and master’s degrees in law, and of specialists in various areas, coming from the most prestigious universities in Brazil and abroad. Some of the partners are professors in the best Law Schools in Brazil, in addition to having a history of relevant legal victories, which are the product of the combination of academic knowledge with the strategic capacity that results from the significant experience amassed by the members of its team.

With offices in Rio de Janeiro and Brasília, GBA has the support of partners in São Paulo and Minas Gerais, where the firm is frequently active, as well as in other States of the Federation.

Department Name Email Telephone
Public Law Gustavo Binenbojm
Public Law and Dispute resolution Rafael Lorenzo-Fernandez Koatz
Public Law André Cyrino
Public Law Alice Voronoff
Public Law and Dispute resolution Carolina Macedo
Public Law Francisco Defanti
Dispute resolution Filipe Seixo
Public Law Renato Toledo
Public Law Rafaela Canetti
Photo Name Position Profile
 Gustavo Binenbojm  photo Gustavo Binenbojm Partner
 Rafaela Canetti  photo Rafaela Canetti Lawyer
 André Cyrino  photo André Cyrino Partner
 Francisco Defanti  photo Francisco Defanti Lawyer
 Mateus Dias  photo Mateus Dias Lawyer
 Liz Guidini  photo Liz Guidini Lawyer
 Luísa Knebel  photo Luísa Knebel Lawyer
 Cesar Lima  photo Cesar Lima Lawyer
 Rafael Lorenzo-Fernandez Koatz  photo Rafael Lorenzo-Fernandez Koatz Partner
 Carolina Macedo photo Carolina Macedo Partner
 Filipe Seixo  photo Filipe Seixo Lawyer
 Renato Toledo  photo Renato Toledo Lawyer
Partners : 4
Lawyers : 17