Our Firm

Recognition

IP STARS | 2016 – 2022

Recognized as one of the best Intellectual Property firms in Brazil, in four categories of the guide: Patent Contentious and Patent Prosecution, at Tier 2; and Trademark Contentious and Trademark Prosecution, at Tier 1.

Claudio Barbosa and Rafael Lacaz Amaral were recognized as both Patent Star and 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 – 2022

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 Brazil: Contentious | 2021 – 2022

Recognized as one of the leading firms, Band 1, in Intellectual Property since the first edition of this guide.

Elisabeth Kasznar and Gabriel Leonardos were listed among the best, Band 1, Brazilian Intellectual Property lawyers. Also in IP, partner Rafael Lacaz Amaral integrates the ranking (Band 4).

Chambers and Partners Global | 2014 – 2022

Recognized as one of the leading firms, Band 1, in Intellectual Property.

Elisabeth Kasznar and Gabriel Leonardos were listed among the best, Band 1, Brazilian Intellectual Property lawyers. Also in IP, partner Rafael Lacaz Amaral integrates the ranking (Band 4).

Chambers and Partners Brazil: Industries & Sectors | 2014 – 2022

We are recognized as one of the best offices in Brazil in the area of ​​Life Sciences.

Our partner Fernanda Magalhães is also listed in the guide as featured in the “Media & Entertainment” category.

IAM Patent 1000: The world’s leading Patent Professionals | 2015 – 2022

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

João Luis Vianna, Priscila Kashiwabara and Tatiana Almeida Silveira were recommended in “Prosecution”. In “Transactions”, Elisabeth Kasznar, Gabriel Leonardos and Claudio Barbosa were recommended​. And in “Litigation”, Gabriel Leonardos is ranked as Gold; Claudio Barbosa, Silver; and Rafael Lacaz Amaral is Recommended

Leaders League | 2017 – 2022

Recommended as one of the best firms in eight areas of practice: Patent Prosecution, Patent Litigation, Trademark Prosecution, Trademark Litigation, Fashion Law, Anti-Counterfeiting, Copyrights Law and Media and Entertainment.

Our partners Cláudio Barbosa, Elisabeth Kasznar, Fábio Otoni Ferreira, Fernanda Magalhães, Filipe Leonardos, Flávia Tremura, Gabriel Leonardos, João Luís Vianna, Luciana Minada, Nancy Caigawa, Rafael Lacaz Amaral, Rosane Tavares and Tatiana Silveira were ranked under their areas of practice.

 

The Legal 500 Latin America | 2012 – 2023

Recognized as a Tier 2 firm in Intellectual Property in Brazil and also recognized in Life Sciences.

In the 2023 edition, Elisabeth Kasznar and Gabriel Leonardos were again listed among the leading lawyers in Brazil.

Who’s Who Legal | 2018 – 2022

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 and Trademarks.

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

WTR 1000: The world’s leading Trademark Professionals | 2015 – 2022

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), Flávia Tremura (bronze) and Nancy Caigawa (bronze).