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Kasznar Leonardos was ranked in IAM Patent 1000 2024

We are proud to announce that we have been ranked in the IAM Patent 1000 2024, a specialized ranking in the field of patents. In addition to being recognized as one of the best firms in Brazil in the Gold category, we were also the national firm with the highest number of individually recommended professionals in 2024!

A total of nine members of our team have been ranked: our partners Elisabeth Kasznar Fekete, Gabriel Leonardos, Claudio Barbosa, João Luis Vianna, Tatiana Silveira, Rafael Lacaz Amaral, Priscila Kashiwabara, Tarso Machado, and attorney at law Thereza Abranches.

Once again, we have achieved the recognition granted by this high-level ranking due to our excellence, quality and focus on client needs.

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30 de July de 2026

Raquel Barros Appointed Member of the National Council for Combating Piracy

Kasznar Leonardos is proud to share that Raquel Barros, Partner and Co-Head of Anti-Piracy & Brand Protection, has been elected as one Raquel Barros Appointed Member of the National Council for Combating Piracy

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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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    13 de March de 2026

    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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