Founded by the former Chief Justice of the Brazilian Supreme Federal Court (STF), Luís Roberto Barroso, former Secretary-General of the STF, Aline Osorio, and attorney Luna van Brussel Barroso, LRB – Barroso & Osorio Advogados is a highly specialized law firm dedicated to delivering tailored and effective legal solutions in complex, high-stakes matters.

LRB brings together outstanding academic credentials, distinguished institutional experience, and a strategic understanding of the law. These attributes enable the firm to provide legal services of the highest technical caliber, offering clear, consistent, and analytically rigorous advice aimed at the swift and effective resolution of legal issues.

The firm’s core practice includes legal opinions, strategic advisory work, and complex litigation. It also possesses recognized expertise in consensual dispute resolution and in the design, implementation, and assessment of anti-corruption compliance programs.

LRB adopts a personalized and selective approach. Each matter is handled with the direct involvement of its partners, ensuring analytical depth and uncompromising quality standards. Cases are carefully selected, with exclusive dedication to matters in which we believe and where the firm can make a meaningful and substantive legal contribution.

We operate in accordance with the highest standards of professional integrity, governance, and confidentiality, as reflected in its Compliance Policy and Data Protection Policy.