Patent Litigation
Brazil
10 November 2025
Active across the ports, energy and infrastructure sectors, Trench Rossi Watanabe advises on transactional, regulatory and litigation matters concerning projects and regulated assets. The practice is led by São Paulo-based José Roberto Martins and Danielle Valois, in Rio de Janeiro, both of whom are highly experienced in the regulatory, transactional and commercial aspects of the infrastructure sector. Martins is a key contact for power-related matters, while Valois focuses on the oil and gas segment.
Legal 500 Editorial commentary
Key clients
- Air Liquide
- America Tecnologia S.A.
- Andrade Gutierrez
- Brookfield Renewables
- C6 Launch Systems
- Canadian Solar
- Casa Dos Ventos
- China Tiesjiu Civil Engineering Group Co. Ltd.
- CPFL
- EDP
- EDP Renovaveis
- Engie Solutions
Work highlights
Representing ATGÁS before the ANP in discussions regarding the classification of the Subida da Serra pipeline, which is the subject of an administrative proceeding involving a conflict of jurisdiction between federal and state regulations.
Assisted CHS, a local subsidiary of the US agribusiness CHS, in entering into a R$2.3bn joint venture with the Brazilian railway logistics company Rumo S.A. to build a new terminal at the Port of Santos.
Practice head
José Roberto Martins; Danielle Valois
Other key lawyers
Mauricio Pacheco; Bruno Duarte; Adam Milgrom