Luiz Leonardos & Advogados

Rankings and analysis


Luiz Leonardos & Advogados is one of the most traditional IP boutiques in Brazil thanks to its heritage. The firm was part of Momsen, Leonardos & Cia, which was founded in 1919, until name partner Luiz Leonardos left to set up this firm. Leonardos is a time-honoured member of Brazil’s IP law community. He was a member of the Brazilian delegation at the 1967 IP conference in Stockholm that established the World International Property Organization and his team continues to be at the centre of IP developments. They are involved in the latest pilot project agreements between Brazilian and US authorities for cooperation on patents in the oil and gas industry, for example. A big selling point is the firm’s lean, horizontal structure, which helps ensure a high level of partner involvement in cases. Qualified biologists and chemical engineers are included among the firm’s rank and file. Experience in trademarks, industrial design and patent prosecution, as well as legal, regulatory and judicial disputes, between other strings regarding copyrights, unfair competition, domain names, litigation and anti-piracy. It has a high success rate for the patents it files, which makes the firm a stellar choice for companies in Brazil. In 2019, the firm opened its first office in the city of São Paulo, strategically located in the Itaim Bibi neighborhood, the financial center of the city and at walking distance from the regional branch of the Brazilian Patent and Trademark Office.

Alliances and networks: The firm maintains a wide network of key relationships across the globe with the best law firms in all continents.

International experience: focus in provide the best services to the clients, the firm recruits Brazilian attorneys and engineers with multicultural backgrounds who have received additional education and practical skills from prominent law firms and law schools. All professionals are fluent in English, French, Spanish and Portuguese.


Rio de Janeiro: Av. das Américas, 4200, BL9, salas 217-B a 220-B | Rio de Janeiro, RJ | Brasil | 22640-102.

São Paulo: Rua Leopoldo Couto de Magalhães Júnior 1098 / Conj. 21 - Itaim Bibi - São Paulo, SP - CEP 04542-001 Brasil. - - -


Antitrust and Competition Law
Contracts, Technology Transfer, Licensing and Franchising
Entertainment and Advertising Law
Food and Drug Law
Geographical Indications
Plant Varieties
Privacy and Data Protection
Software, Integrated Circuit, Topography
Trade Secrets and Confidential Data
Trademarks, Trade Names and Domain Names
Unfair Competition and Anti-Counterfeiting Measures


Gustavo Leonardos Senior Partner
Luiz Leonardos Senior Partner
Ana Paula Jardim Senior Partner
Patrícia Aragão Lusoli Senior Partner
Andréa Granthon Partner
Ricardo Pinho Partner

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