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

  • Kasznar Leonardos
  • 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.