
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 October de 2026
Brazilian Video Game Regulations Establish a New Intellectual Property Registration System
As in the rest of the world, video game development and the video game market have experienced significant growth in Brazil. To … Brazilian Video Game Regulations Establish a New Intellectual Property Registration System
13 de October de 2026
Kasznar Leonardos attented the 2026 AIPPI World Congress
Our partners Gabriel Leonardos, Claudio Barbosa, and Maria Pia Guerra, together with attorney Vivian de Melo Silveira, are attending the 2026 AIPPI … Kasznar Leonardos attented the 2026 AIPPI World Congress
30 de September de 2026
NFL in Brazil: Kasznar Leonardos Supports Brand Protection at Historic Rio Game
The NFL made history in Brazil once again this weekend, bringing its first regular-season game to Rio de Janeiro and one of … NFL in Brazil: Kasznar Leonardos Supports Brand Protection at Historic Rio Game
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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+55 21 2113-1899 / +55 21 2113-1913
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