Luciana Arduin Fonseca

Luciana Arduin Fonseca

Practice Areas

Unions Relations, Labour and Social Security.


Phone number: +55 11 3847-3827


Luciana Arduin has worked for more than 20 years in Leite, Tosto e Barros, and was admitted to the Board of Partners in 2006. Participated in the group that conducted the first lawsuits brought by HIV patients, collaborating with the formulation of a current jurisprudence that evolved to social lawsuits, since there is still no specific legislation for this matter. She works for companies in the area of civil construction, telephone communications and banks, in lawsuits brought by senior managers.


Análise Advocacia – One of the most admired lawyers in Brazil (2006, 2009 to 2022).

Análise Advocacia Mulher – One of the most admired lawyers in Brazil (2021 and 2022).

Benchmark Litigation – Litigation Star: Labor and employment (2021).

Latin Lawyer 250 – Labour (2014 to 2023).

Leaders League – Large-Scale Labour Litigation (2017 to 2022).

The Legal 500 – Labour and employment (2012 to 2023).


Educational Background

Graduated in Law from Universidade Presbiteriana Mackenzie.

Post-graduated from Pontifícia Universidade Católica de São Paulo – PUC/SP.


Portuguese and English.
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