aerial view of city during sunset

Brasília • Rio de Janeiro

Brasília • Rio de Janeiro

Brasília • Rio de Janeiro

About Us

Experience that combines legal knowledge with personalized service.

Founded by retired Supreme Federal Court (STF) Minister Luís Roberto Barroso, former Secretary General of the STF, Aline Osorio, and lawyer Luna van Brussel Barroso, LRB - Barroso & Osorio Advogados is a highly specialized law firm dedicated to providing customized and efficient legal solutions in highly complex cases.

LRB combines excellent theoretical training, qualified institutional experience, and a strategic understanding of the law. These attributes allow for the provision of high-level legal services, with clear, consistent, and technically refined analyses, aimed at the rapid and effective resolution of the legal issues presented. 

Areas of expertise

Areas of expertise

Areas of expertise


Highly specialized legal practice in strategic and highly complex matters.



Highly specialized legal practice in strategic and highly complex matters.


Highly specialized legal action in strategic and high-complexity matters.

/0

5

Compliance and Internal Investigations

/0

5

Compliance and Internal Investigations

/0

4

Arbitration and Consensus Conflict Resolution

/0

4

Arbitration and Consensus Conflict Resolution

/0

3

Strategic Litigation (judicial and administrative)

/0

3

Strategic Litigation (judicial and administrative)

/0

2

Legal Consulting

/0

2

Legal Consulting

/0

1

Legal Opinions and Legal Views

/0

1

Legal Opinions and Legal Views

silver MacBook beside space gray iPhone 6 and clear drinking glass on brown wooden top

Digital Repository

Check out our published works

Article

"DO YOU KNOW WHO YOU'RE TALKING TO?": SOME NOTES ON THE PRINCIPLE OF EQUALITY IN CONTEMPORARY BRAZIL

Luís Roberto Barroso and Aline Osorio

Article

DEMOCRACY, SOCIAL MEDIA AND FREEDOM OF EXPRESSION: HATE, LIES AND THE SEARCH FOR POSSIBLE TRUTH

Luís Roberto Barroso and Luna van Brussel Barroso

Book

FREEDOM OF EXPRESSION AND DEMOCRACY IN THE DIGITAL AGE

Constitutional Law

Luna van Brussel Barroso

See all posts