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

28 de May de 2026

Partner Rosane Tavares to attend ASIPI Asunción 2026

In the year of the world’s greatest sporting celebration, the annual event of the Inter-American Association of Intellectual Property (ASIPI) will take Partner Rosane Tavares to attend ASIPI Asunción 2026

  • Kasznar Leonardos
  • 21 de May de 2026

    Brazilian Civil Rights Framework for the Internet in Transformation: New Decrees Impact Big Techs

    Today (May 21, 2026), Decrees No. 12,975/2026 and 12,976/2026 were published as part of the Federal Government’s initiative aimed at strengthening accountability Brazilian Civil Rights Framework for the Internet in Transformation: New Decrees Impact Big Techs

    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

    Communication, Marketing and Press

    Raquel Pacca

    +55 21 2113-1870

    Press

    Pedro Henrique Sant'Anna

    Report Piracy

    Click here to file a report or contact us by:

    +55 21 2113-1899 / +55 21 2113-1913

    Reporting Channel

    Received a software compliance notice? Don’t worry! Access our FAQ and find answers to frequently asked questions. There, you can also verify the authenticity of our contact and get guidance on the next steps. Click here and clarify yout questions.