Cláudio J.G. Guerreiro

Pedro DeRegina is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Pedro, who practices law in Rio de Janeiro, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro is held by other top lawyers in the same geographic and legal practice area.

Founding partner of Vivacqua Advogados has over 20 years of practice, focused on tax and legal matters related to business issues. Former Administration Subsecretary of the Rio de Janeiro Municipal Secretariat for Housing & Citizenship and Board Member of the Business Council for Legal Affairs of the Commercial Association of Rio de Janeiro. Was Chief Legal Officer – CLO of “NELTUR - Niterói Empresa de Lazer e Turismo S/A”, President of Legal Bridge Brasil and Mem...

Fabiana Videira Lopes is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Fabiana, who practices law in Rio de Janeiro, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabiana is held by other top lawyers in the same geographic and legal practice area.

Graduated from the Pontifical Catholic University of Rio de Janeiro and holds a Master’s degree in International Tax Law from the Brazilian Institute of Tax Law (IBDT) in São Paulo. He has extensive experience in tax legal advisory, with a focus on cross-border transactions, corporate restructuring, financial markets, and capital markets, in addition to significant experience in tax litigation, both administrative and judicial. Over his career, he has taught at Fundaç&atil...

Gustavo Leonardos is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Gustavo, who practices law in Rio de Janeiro, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gustavo is held by other top lawyers in the same geographic and legal practice area.

Ana Tereza Basilio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Ana Tereza, who practices law in Rio de Janeiro, Brazil, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ana Tereza is held by other top lawyers in the same geographic and legal practice area.

Gustavo André Muller Brigagão Practice Area Tax law with emphasis on administrative litigation and indirect taxation, dealing with matters related to industry, commerce and services sector, focused in on the oil industry, telecommunication market, e-commerce, electric energy, information technology, clothing industry, professional entities, among others. In addition, he has been deeply involved with the tax structuring of major sporting and entertainment events in Brazil (2014 W...

Roberto Duque Estrada Practice Area Tax law with emphasis on tax litigation, income tax (corporate and individual) and international taxation, dealing with matters related to corporate restructuring, domestic and international tax planning and with high net worth individuals. Career Roberto Duque Estrada is a founding partner at Brigagão, Duque Estrada – Advogados. He started his carrer as an associate lawyer, working with Professor Alberto Xavier, first at Castro Barros Sobral &...

Luiz Leonardos is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Luiz, who practices law in Rio de Janeiro, Brazil, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luiz is held by other top lawyers in the same geographic and legal practice area.

João Augusto Basilio is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. João Augusto, who practices law in Rio de Janeiro, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which João Augusto is held by other top lawyers in the same geographic and legal practice area.