Mr Claudio Roberto Barbosa > Kasznar Leonardos Intellectual Property > Sao Paulo, Brazil > Lawyer Profile

Kasznar Leonardos Intellectual Property
SAO PAULO, SP – 01407-000

Work Department

Expert in litigation, trademark, and consulting services regarding Licensing Agreements, Patents, Trademarks, Copyrights, and Unfair Competition; Trademark Prosecution.


Senior Partner, Attorney at Law


An expert in intellectual property litigation and licensing agreements. He was responsible by the creation of the Intellectual Property Alternative Disputes Resolution Center Council (ABPI-CSD), an institution controlled by the Brazilian Association of Intellectual Property (ABPI) that encompass an arbitration court, a mediation center, and a domain name dispute resolution center in Brazil. His work in data privacy is anchored in his deep knowledge of internet and digital networks, computer programing and digital electronics, helping clients to devise strategies aiming to protect business within the ongoing modification of digital privacy.


Portuguese and English.


Brazilian Association of Industrial Property Agent – ABAPI; Brazilian Association of Intellectual Property – ABPI; International Technology Law Association – ITechLaw.


S.J.D. in Commercial Law from the University of São Paulo – USP (2007); Master (LL.M.) in International Law from the University of São Paulo – USP (2001); Master (LL.M.) in Intellectual Property Law from the George Washington University Law School – Washington, DC (2000); Graduated in Law from the University of São Paulo Law School – USP (1994); Technical Graduation in Computer Programs and Digital Electronics ETEP, São José dos Campos (1988).

Lawyer Rankings

Brazil > Intellectual property

Full-service IP boutique Kasznar Leonardos Intellectual Property has robust, dedicated teams covering the breadth of IP litigation and prosecution services. On top of the team’s patent and trade mark infringement litigation successes for leading international and domestic clients, the practice also handles unfair competition cases and domain name disputes. Anti-piracy is a growing area of focus for the firm, which regularly assists software entities, copyright owners, technology platforms and rights management companies with license compliance programmes. Gabriel Francisco Leonardos has an impressive track record in high-stakes litigation before IP courts in Brazil, involving patents, trade marks, copyright and unfair competition. Contentious IP matters are a core area of activity for Claudio Roberto Barbosa, a go-to name for licensing agreements and data protection. Rafael Lacaz Amaral excels in IP litigation before state and federal courts and oversees the anti-piracy and compliance group. Aline Ferreira is singled out for her experience in the life sciences sector, which is also an area of focus for Anderson Ribeiro, who leads on transactional and regulatory issues. Other noteworthy practitioners include trade secrets expert Elisabeth Kasznar Fekete and the recently promoted Luciana Minada. Since publication, Ribeiro has left the firm (effective February 2022).