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
13 de March de 2026
Federal Court in Brazil invalidates chemical patent after nearly two decades of litigation
Our firm successfully represented a company operating in the offshore oil and gas sector in a lawsuit challenging the validity of a Brazilian patent … Federal Court in Brazil invalidates chemical patent after nearly two decades of litigation
5 de March de 2026
Kasznar Leonardos has been ranked by Análise Advocacia Mulher 2026
We are honored to announce that four attorneys from Kasznar Leonardos have been recognized by Análise Advocacia Mulher 2026, organized by Análise Editorial! … Kasznar Leonardos has been ranked by Análise Advocacia Mulher 2026
12 de February de 2026
Kasznar Leonardos was ranked in Chambers Global Guide 2026
We are honored to announce that Kasznar Leonardos has been recognized by the Chambers and Partners Global Guide 2026. For another year, … Kasznar Leonardos was ranked in Chambers Global Guide 2026
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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