
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
15 de May de 2026
CONAR updates Influencers Guide in line with the new requirements for transparency and protection in the digital environment
The National Council for Advertising Self-Regulation (“CONAR”) released, last Monday (11), the new edition of the Guide to Marketing and Advertising by … CONAR updates Influencers Guide in line with the new requirements for transparency and protection in the digital environment
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
juliana.dias@kasznarleonardos.com
Communication, Marketing and Press
Raquel Pacca
+55 21 2113-1870
raquel.pacca@kasznarleonardos.com
Press
Pedro Henrique Sant'Anna
Report Piracy
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+55 21 2113-1899 / +55 21 2113-1913
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