Practice Areas

At Kasznar Leonardos, we combine technical and legal expertise to turn Intellectual Property into a competitive advantage. Our team is made up of leading specialists—biologists, engineers, pharmacists, chemists, and lawyers—who understand the complexity of your portfolio and anticipate challenges. More than just protecting assets, we craft integrated strategies that drive business growth and create real impact.

We are a leading law firm and pioneer in the history of intellectual property in Brazil. Through data and its own methodology, the KL Index presents the evolution of the Brazilian scenario on this topic in a practical and didactic manner.

Latest News

11 de May de 2026

Digital ECA: Signs of Practical Enforcement of the New Regulatory Framework

The Digital Statute of the Child and Adolescent (Law No. 15,211/2025 – “Digital ECA”) came into effect in March 2026 and is Digital ECA: Signs of Practical Enforcement of the New Regulatory Framework

5 de May de 2026

Larissa Martins joins the 2026 World Techonology Conference

Our Attorney at Law Larissa Martins will be in Chicago to attend the 2026 World Techonology Conference, taking place from May 13 Larissa Martins joins the 2026 World Techonology Conference

Recognition

We are proud to be recognized by the top IP firm rankings in the world, a reflection of the excellence of our work.

CONTACT US

Rio de Janeiro

Rua Professor Álvaro Rodrigues, 352, 14º andar, CEP: 22280-040

+55 (21) 2113-1919

São Paulo

Avenida Nove de Julho, 3.147, 10º andar, CEP: 01407-000

+55 (21) 2113-1919

Media Relations

Communication, Marketing and Press

Juliana Dias

+55 21 2113-1912 / +55 21 99851-5150

Communication, Marketing and Press

Raquel Pacca

+55 21 2113-1870

Press

Pedro Henrique Sant'Anna

Report Piracy

Click here to file a report or contact us by:

+55 21 2113-1899 / +55 21 2113-1913

Reporting Channel

Received a software compliance notice? Don’t worry! Access our FAQ and find answers to frequently asked questions. There, you can also verify the authenticity of our contact and get guidance on the next steps. Click here and clarify yout questions.