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By Viviane Trojan

Chambers and Partners’ Patent Litigation Guide 2025 is now available

The Patent Litigation 2025 Guide is now available! Organized by Chambers and Partners, Kasznar Leonardos has led the chapter in Brazil.

Our partners Gabriel LeonardosClaudio Barbosa and Viviane Trojan authored the “Law and Practice” subchapter, covering patent practices and regulations in Brazil, including granting procedures, protection terms, fees, infringement lawsuits, defenses, nullity, and licensing.

Claudio and Viviane, along with attorneys at law Jorge Tinoco and Daniel Leopoldino, also contributed to the “Trends and Developments” section, addressing the latest trends in Brazilian patent litigation, including new BRPTO rules, the use of invalidity defenses, strategies for patent-term adjustments, the influence of foreign injunctions, and more.

The full content is available in English on the Chambers and Partners website.

Read the full material here.

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Last by Viviane Trojan

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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13 de March de 2026

Meet Us | Viviane Trojan will join the IBPC Europe 2026

Our partner Viviane Trojan will be in Paris to participate in IPBC Europe 2026, from March 23 to 25. Over three inspiring Meet Us | Viviane Trojan will join the IBPC Europe 2026

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12 de February de 2026

Kasznar Leonardos was ranked in Chambers Global Guide 2026

We are honored to announce that Kasznar Leonardos has been recognized by the Chambers and Partners Global Guide 2026. For another year, Kasznar Leonardos was ranked in Chambers Global Guide 2026

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