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By Claudio Roberto Barbosa

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 Leonardos, Claudio 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 Claudio Roberto Barbosa

14 de September de 2026

Guidance Note: Brazil – Direct Marketing

Partner Claudio Barbosa and Attorney  at Law Larissa Martins have recently authored the article “Data Guidance: Brazil – Direct Marketing” for the … Guidance Note: Brazil – Direct Marketing

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31 de August de 2026

Brazilian Agency fines tech company BRL 153 Million, raising the bar for digital enforcement

The Brazilian Data Protection Agency (“ANPD”) has imposed a BRL 153.7 million fine on a tech company, primarily for alleged irregularities in the processing … Brazilian Agency fines tech company BRL 153 Million, raising the bar for digital enforcement

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31 de July de 2026

Kasznar Leonardos and Partners Recognized by IP STARS 2026

We are proud to announce that our partners have once again been recognized by IP Stars, marking the 10th consecutive year of … Kasznar Leonardos and Partners Recognized by IP STARS 2026

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