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
27 de March de 2026
New Structure of the ANPD and Impacts Brought by the Digital Child and Adolescent Statute
Among the most recent publications related to the Brazilian Data Protection Agency (“ANPD”), the release of Decree No. 12.881/2026 stands out. The Decree approves … New Structure of the ANPD and Impacts Brought by the Digital Child and Adolescent Statute
24 de March de 2026
Published the Decree Regulating the Digital ECA: Clarifying Technical Parameters and Expanding Platform Responsibilities
After the enactment of the Digital Statute of the Child and Adolescent (Law No. 15,211/2025 – “ECA Digital”) in September last year, … Published the Decree Regulating the Digital ECA: Clarifying Technical Parameters and Expanding Platform Responsibilities
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
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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