Fernão Justen de Oliveira

Hamilton Dias de Souza is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Hamilton, who practices law in São Paulo, Brazil, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hamilton is held by other top lawyers in the same geographic and legal practice area.

Marcelo Saldanha Rohenkohl is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Marcelo, who practices law in Porto Alegre, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcelo is held by other top lawyers in the same geographic and legal practice area.

Bachelor degree in law at University UniCEUB, Brasília, 2019. Lato Sensu Post Graduated in “Law - Procedural Practice in Courts”, at University UniCEUB, Brasília, 2020-2021. Mastering in 'Constitutuional Law' at the Instituto Brasiliense de Direito Público – IDP, Brasília, since 2023. Member of the Tax Study, Research and Analysis Group at the Centro Universitário de Brasília – UniCEUB. Member of the Commission of the OAB/DF. M...

Caio Julius Bolina is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Caio Julius, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caio Julius is held by other top lawyers in the same geographic and legal practice area.

Mauro Takahashi Mori is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Mauro Takahashi, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mauro Takahashi is held by other top lawyers in the same geographic and legal practice area.

André Serrão holds Bachelor’s (1994) and Master’s (1999) degrees in Law from the Federal University of Brasília. He is the founder partner of Serrão Advogados and has recognized expertise in energy law, specifically assisting the pivotal players of the Brazilian power sector (generation, transmission, distribution and trading companies of electric energy) in key regulatory issues and disputes. He also has a very strong practice in supporting and advisin...

Founding partner, Fernando Loeser is a tax specialist. He has a particular interest in litigation and acts on consultation matters. He covers the full spectrum of tax issues direct and indirect taxation and is frequently seen acting before the Superior Courts of Brazil. Fernando is well qualified to tackle complex litigation at judicial and administrative levels. He covers the full spectrum of tax issues, direct and indirect taxation and is frequently seen acting before the Superior Courts of...

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.

Juliana Villas Boas is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Juliana Villas, who practices law in Brasília, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juliana Villas is held by other top lawyers in the same geographic and legal practice area.

Jorge Alex Nunes Athias is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Mining Law. Jorge Alex, who practices law in Belém, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jorge Alex is held by other top lawyers in the same geographic and legal practice area.