Patricia Rios

Patricia Rios

Practice Areas

Banking and Finance, Litigation and Conflict Resolution, Strategic Litigation in Higher Courts, Complex Contracts and Negotiations, Politics and Election, Bankruptcy and Restructuring, Family and Inheritance, Management of Crisis, Restructuring of Debts and Credits.


Phone number: +55 11 3847 3902


Ms. Rios has extensive experience in the upper courts with important work in the development of legal strategies, both in state and federal courts. She acts in the most relevant cases of the firm in courts both in Brasilia and in the rest of the country, by participating in hearings as well as submitting oral support. She also collaborates in national and international arbitration cases.

As a partner of Leite, Tosto e Barros, she participated in the acquisition of a telephone communication company by an international Group, by dealing with public agencies and the National Congress. She was also responsible for the strategy that resulted in a relevant precedent judged by the STJ in the banking area on the application of the Proer Law and the consequent passive illegitimacy of a financial institution.


International Law Office, ILO – Best Brazilian Lawyer in Litigation (2015).

LACCA, The Latin American Corporate Counsel Association – Litigation.

Chambers Latin America – Dispute Resolution: Litigation.

Educational Background

Graduated in Law from Pontifícia Universidade Católica – PUC/SP.

Post-graduated in Corporate Law and Civil Procedure Law from Escola Paulista de Magistratura.

Other Activities

She was the president of the Committee on Legal Modernization at OAB/SP and advisor to the Center for Studies of Law Firms – CESA.


Portuguese and English.
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