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Intellectual property

Kasznar Leonardos Intellectual Property

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A premier firm for IP litigation, Kasznar Leonardos Intellectual Property is a top choice for handling disputes involving IP infringement, unfair competition, cancellation actions, anti-piracy, domain name conflicts, and trade secret violations. The firm also boasts a specialised team focused on marketing and entertainment law, often overlapping with its IP work, particularly in advising clients on structuring Web3 projects that deal with IP and the monetisation of personality rights through new technologies. Gabriel Leonardos is a seasoned IP litigator who also advises on licensing, as well as patents, trade marks, copyright, and trade mark prosecution. Elisabeth Kasznar Fekete brings deep expertise in trade secrets, and advises on both contentious and non-contentious matters involving various IP rights. Both Leonardos and Fekete are based in São Paulo. Co-leader Rafael Lacaz Amaral, based in Rio de Janeiro, handles proceedings before state and federal courts involving trade mark and patent disputes. Co-head Claudio Roberto Barbosa leads the São Paulo team, bringing together knowledge of IP and data privacy. Viviane Trojan is recognised for her expertise in copyright law.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Kasznar Leonardos stands out for its technical excellence, strategic service and innovation in the protection of intellectual assets. Its qualified team offers customised solutions, combining tradition and technology to optimise the management of brands, patents and copyrights. The firm is a reference in the national legal market.’

  • ‘The Kasznar Leonardos team is made up of qualified professionals with technical knowledge and strategic vision in IP. Among the highlights, I would recommend Claudio Roberto Barbosa and Nancy Caigawa for their expertise in industrial property. What sets them apart is their ability to offer innovative and personalised legal solutions, combined with agile and strategic service.’