Our Firm

Recognition

IP STARS | 2016 – 2023

Recognized as one of the top law firms in Intellectual Property in Brazil, in four categories of the guide: Patent Disputes and Patent Prosecution, in Tier 2 (2022); and Trademark Contentious and Trademark Prosecution, in Tier 1 (2023).

Claudio Barbosa and Rafael Lacaz Amaral were recognized as Patent Star & Trademark Star; Gabriel Leonardos, Elisabeth Kasznar, Maria Pia Guerra and Filipe Leonardos as Trademark Stars; and João Luis Vianna as a Patent Star.

Latin Lawyer 250 | 2013 – 2023

Recommended firm by the guide, that brings the leading law firms in Latin America, as Intellectual Property trailblazers in Brazil.

Análise Advocacia Regional | 2013 – 2024

We are recognized as one of the most admired law firms in Rio de Janeiro in the area of ​​Intellectual Property by the Análise Advocacia Regional ranking, promoted by Análise Editorial.

 

Chambers and Partners Global Guide | 2014 – 2024

We are recognized as one of the leading companies, Band 1, in Intellectual Property in the categories of “Trademarks, Copyright & Trade Secrets” and “Patents”. We are selected as Band 4 for “Media & Entertainment”.

Elisabeth Kasznar and Gabriel Leonardos were listed as top lawyers, Band 1, in the Intellectual Property categories (“Trademarks, Copyright & Trade Secrets” and “Patents”) in Brazil. Also in IP, partner Rafael Lacaz Amaral ranked Band 3 in “Trademarks, Copyright & Trade Secrets” and Band 4 in “Patents”.

Additionally, Fernanda Magalhães was ranked Band 4 in the “Media & Entertainment” category.

We also have been ranked by Chambers and Partners: Contentious 2024. As a firm, we have received the highest level of recognition in Intellectual Property: being ranked as a Band 1 in the categories of “Patents” and “Trademark, Copyrights, and Trade Secrets”.

Elisabeth Kasznar and Gabriel Leonardos have been ranked as Band 1 in “Patents” and “Trademark, Copyrights, and Trade Secrets”, while Rafael Lacaz has been chosen as Band 3 in “Trademark, Copyrights, and Trade Secrets” and Band 4 in “Patents”.

Chambers and Partners: Brazil Guide | 2014 – 2023

In the rankings that make up the Chambers Brazil Guide, we are listed among the top Intellectual Property firms in Brazil in the categories of “Trademark, Copyright & Trade Secrets” and “Patent” (Band 1); Fashion Law (Band 1), Life Sciences (Band 4), and Media & Entertainment (Band 4).

Additionally, our partners Elisabeth Kasznar and Gabriel Leonardos were individually ranked (Band 1 in “Intellectual Property: Trademark, Copyright & Trade Secrets”; “Intellectual Property: Patent” and Band 2 in “Fashion Law”); Rafael Lacaz Amaral (Bands 3 and 4 in “Trademark, Copyright & Trade Secrets” and “Patents,” respectively); Fernanda Magalhães (Band 4 in “Media & Entertainment”); and Luciana Minada in the Up and Coming Band in “Fashion Law.”

IAM Patent 1000: The world’s leading Patent Professionals | 2015 – 2024

Recognized as one of the best firms, Gold category, in Patents in Brazil.

In 2024, we were the national firm with the highest number of individually recommended attorneys at law. A total of nine members of our team have been ranked: Claudio Roberto Barbosa (Silver), Elisabeth Kasznar (Recommended), Gabriel Leonardos (Gold), João Luis D’Orey Facco Vianna (Highly Recommended), Priscila Kashiwabara (Recommended), Rafael Lacaz Amaral (Bronze), Tatiana Almeida Silveira (Highly Recommended), Tarso Machado (Recommended) and Thereza Curi (Recommended).

Leaders League | 2017 – 2023

Our firm is recognized in ten areas of practice: as a Leader in Trademark Litigation, Trademark Registration, Patent Registration, and Fashion Law; for Excellent practice in Patent Litigation, Copyright, and Antipiracy; for Highly Recommended practice in Media and Entertainment; for Recommended practice in Data Protection; and finally, for Valuable practice in Technology.

In addition, partners Claudio Barbosa, Elisabeth Kasznar, Fernanda Magalhães, Filipe Leonardos, Flávia Tremura, Gabriel Leonardos, João Luis Vianna, Luciana Minada, Maria Pia Guerra, Nancy Caigawa, Rafael Lacaz Amaral, Rosane Tavares, Tatiana Silveira, and Viviane Trojan have also been ranked for their expertise and skill in one or more of the areas listed above.

Who’s Who Legal | 2018 – 2023

Our partners Elisabeth Kasznar and Gabriel Leonardos are recognized as Thought Leaders by Who’s Who Legal. They were also ranked in Intellectual Property, Patents, Trademarks, Trade Secrets and Copyrights.

Our CEO and partner João Luis D’Orey Facco Vianna is also ranked in Patents.

WTR 1000: The world’s leading Trademark Professionals | 2015 – 2024

Recognized as one of the best firms, Gold category, in Trademarks in Brazil.

In the latest edition, seven partners of our firm were recommended by this guide: Elisabeth Kasznar (gold), Gabriel Leonardos (gold), Filipe Leonardos (gold), Rafael Lacaz Amaral (silver), Maria Pia Guerra (silver), Claudio Barbosa (bronze), Flávia Tremura (bronze) and Nancy Caigawa (bronze).

Besides the WTR 1000, three of our partners are included in the WTR Global Leaders 2024. Elisabeth Kasznar Fekete, Gabriel Leonardos and Filipe Leonardos are part of the select global team of ranked professionals, representing Brazil.

World IP Review (WIPR) Leaders | 2023

Our partners Elisabeth Kasznar Fekete, Claudio Barbosa, Gabriel Leonardos, Rafael Lacaz Amaral and Viviane Trojan have been recognized by the renowned international guide World IP Review (WIPR) Leaders 2023. This recognition is a reflection of their remarkable contributions in various areas of Intellectual Property in Brazil and worldwide.

The Legal 500 Latin America | 2012 – 2024

We are ranked by The Legal 500 in the Intellectual Property category. We have been recognized as Tier 1, the highest accolade bestowed by the magazine.

Our senior partners Rafael Lacaz Amaral, Elisabeth Kasznar Fekete and Gabriel Francisco Leonardos were individually recognized as ‘Leading Individuals’ for their significant contributions in the field of Intellectual Property.

Best Lawyers | 2013 – 2024

Kasznar Leonardos has 14 representatives listed by Best Lawyers® in 2024.

Elisabeth Kasznar and Gabriel Leonardos were recognized for ‘Intellectual Property Law’ “Lawyer of the Year” in São Paulo and Rio de Janeiro, respectively. Gabriel was also appointed for ‘Litigation’ and ‘Arbitration and Mediation’.

Filipe Leonardos and Luciana Minada were selected for the first time in 2024 edition for ‘Intellectual Property Law’.

Fernanda Magalhães, Flávia Tremura, Nancy Caigawa, Maria Pia Guerra, Tatiana Almeida, Rosane Tavares, João Vianna, Claudio Barbosa and Rafael Lacaz were also included in the 2024 edition for ‘Intellectual Property Law’.

Furthermore, Claudio Barbosa and Nancy Caigawa were recognized for ‘Information Technology Law’. In addition, Nancy was also selected for ‘Advertising Law’ as well as Rafael Lacaz. Our attorney at law Thereza Curi appears in the ranking, for ‘Franchise Law’.

Análise Advocacia Woman | 2021 – 2024

Five attorneys at law from Kasznar Leonardos have been recognized by Análise Advocacia Woman 2024, headed by Análise Editorial.

Our partners Elisabeth Kasznar Fekete, Nancy Caigawa, Flávia T. Polli Rodrigues, Luciana Minada, and attorney at law Thereza Abranches have been named as outstanding female professionals in the field of Intellectual Property.

Elisabeth was also chosen among the most admired professionals in the State of São Paulo, and Thereza in the State of Rio de Janeiro.

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