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Kasznar Leonardos partners are selected as Global Leaders by IAM

We are honored to announce that three of our partners have been included in the prestigious IAM Global Leaders 2025 list!

Gabriel Leonardos, João Luis Vianna, and Tatiana Silveira have been recognized as leading professionals in Intellectual Property on a global scale for their significant contributions and work in the field.

As Global Leaders in the IP field, Gabriel, João, and Tatiana influence the development not only in Brazil but around the world. By handling complex cases and offering strategic and innovative solutions for clients, they are key to maintaining the high standards of quality in our services and to our success on the international stage.

We congratulate our partners on this well-deserved achievement!

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7 de April de 2026

Kasznar Leonardos was ranked in Chambers Brazil: Contentious 2026

We are proud to announce that we have been ranked in Chambers Brazil: Contentious 2026 by Chambers and Partners. As a firm, Kasznar Leonardos was ranked in Chambers Brazil: Contentious 2026

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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

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    5 de March de 2026

    Kasznar Leonardos has been ranked by Análise Advocacia Mulher 2026

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