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

22 de August de 2025

Update from Brazil: The Debate on Platform Monetization and Accountability

A significant debate has recently emerged in Brazil following an episode involving the creator Felca. The controversy centered on the adultization of Update from Brazil: The Debate on Platform Monetization and Accountability

21 de August de 2025

Public Consultation by the BPTO on Draft Guidelines for AI Inventions

On August 19, 2025, the Brazilian Patent and Trademark Office (BPTO) launched a public consultation on the draft Guidelines for the Examination Public Consultation by the BPTO on Draft Guidelines for AI Inventions

5 de August de 2025

Prevention and Control: How to Avoid the Use of Pirated Software Within Your Company’s Infrastructure

In today’s digital economy, the use of software is essential to the operation of virtually every business. However, with this dependence comes Prevention and Control: How to Avoid the Use of Pirated Software Within Your Company’s Infrastructure

  • 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

    R. Teófilo Otoni, 63, 6º andar, Centro, CEP: 20.090-080

    +55 (21) 2113-1919

    São Paulo

    Av. Nove de Julho, 3.147, 7º 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.