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 Litigation and Patent Prosecution, at Tier 1; and Trademark Litigation and Trademark Prosecution, at Tier 2.

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 500 | 2013 – 2023

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 – 2021

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

João Luis Vianna, Tatiana Silveira and Gustavo Barbosa were recommended in “Prosecution”. In “Transactions”, Elisabeth Kasznar, Gabriel Leonardos and Claudio Barbosa were recommended​. And in “Litigation”, Gabriel Leonardos is in the golden list and Claudio Barbosa is in the silver category.

Leaders League | 2017 – 2020

Recommended as one of the best firms in eleven areas of practice (Innovation, Technology and Intellectual Property): Patent Litigation, Trademark Litigation, Technology, Copyright, Trademark Prosecution, Patent Prosecution, Data Protection, Fashion Law, Life Sciences, Media & Entertainment and Startups and Innovation.

Our partners Cláudio Barbosa, Elisabeth Kasznar, Fernanda Magalhães, Filipe Leonardos, Flávia Tremura, Gabriel Leonardos, Gustavo Barbosa, João Vianna, Nancy Caigawa, Priscila Kashiwabara, Rafael Lacaz, Tatiana Silveira and senior associate Thereza Curi were ranked under their areas of practice.

The Legal 500 Latin America | 2012 – 2021

Recognized as one of the best firms, Top Tier, in Intellectual Property in Brazil and, for the first time, recognized also in Life Sciences.

In the 2021 edition, Elisabeth Kasznar and Gabriel Leonardos were again listed among the leading lawyers in Brazil. Our partners Anderson Ribeiro, Claudio Barbosa and Rafael Lacaz were also recommended in the same category. In Life Sciences, our partners João Luis Vianna and Priscila Kashiwabara were ranked.

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, eight 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).