
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
2 de February de 2026
MP 1.335/2026: New Frameworks for Trademark Protection – FIFA Women’s World Cup 2027
The recently published Provisional Measure (MP) No. 1,335/2026—currently pending Congressional approval—introduces a distinct legal regime that significantly shifts the level of IP … MP 1.335/2026: New Frameworks for Trademark Protection – FIFA Women’s World Cup 2027
28 de January de 2026
Kasznar Leonardos is ranked on WTR 1000 2026
We are honored to announce that Kasznar Leonardos has been ranked as a reference firm in the Trademarks area, Gold category, by … Kasznar Leonardos is ranked on WTR 1000 2026
28 de January de 2026
Data Protection Day: Between Regulatory Maturity and the New Challenges of Artificial Intelligence
Data Protection Day, celebrated on January 28, goes beyond symbolism. Each year, the date reinforces the consolidation of personal data protection, with … Data Protection Day: Between Regulatory Maturity and the New Challenges of Artificial Intelligence
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
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