Mattos Filho’s ‘exceptional’ environmental practice advises clients across a broad range of industries on high-profile, complex matters, notably cross-border litigation and strategic consultancy, including climate change projects and transactions. Known for its ’in-depth knowledge of local legislation’, the ‘highly experienced’ team is well-versed in negotiations with regulatory agencies and prosecutors, as well as in advising on the environmental implications of M&A, capital markets and financing transactions. Environmental licensing, crisis management, decarbonisation strategies, and carbon market deals are other core areas of activity for the practice. Based in Rio de Janeiro, Antonio Augusto Reis and Rômulo Sampaio are vastly experienced in carbon market transactions and environmental disputes. In São Paulo, Juliana Gomes Ramalho Monteiro focuses on ESG matters, while associate Tábata Boccanera Guerra de Oliveira handles licensing, climate litigation and sustainability aspects of transactions.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Mattos Filho's environmental team has demonstrated exceptional performance. They stand out for their technical excellence in all demands, from complex structuring for environmental negotiations to higher-level guidance for better engagement. Their in-depth knowledge of local legislation, combined with a proactive and strategic approach, adds value. Their ability to anticipate challenges and propose innovative solutions consolidates them as indispensable strategic partners.’
‘The team led by Antonio Augusto Reis demonstrated excellent cultural alignment skills, establishing remarkable synergy. This integration resulted in more fluid and efficient communication, optimising processes and strengthening the partnership. The team's ability to understand and adapt to our organisational dynamics has been fundamental to the success of joint operations.’
‘Mattos Filho is a cutting-edge firm with a multidisciplinary approach. The lawyers are highly experienced and focus on the oil and gas industry, which provides a more specific perspective on the sector.’
‘Solange Cunha is an exceptional lawyer who, despite being a senior lawyer, has been working at the partner level for years. She is an excellent lawyer, very responsive, capable of handling complex demands and very experienced in matters related to the oil and gas industry. I feel completely confident if the case is under her responsibility, as her delivery is always in line with the standard of excellence of renowned international law firms.’
‘I feel 100% confident in involving them in issues of varying complexity, with the certainty that we will follow the best strategy for the company, combining environmental compliance with business results.’
‘Associates Daniela Diniz and Julia Ferreira do excellent work, with fast deliveries and excellence.’
Key clients
- BW
- PetroChina
- Rosneft
- Origem Energia
- Ecopetrol
- Cocal
- New Wave
- Instituto Clima e Sociedade
- Patria
- Maralto Terminal de Contêiners
- Rumo
- Equatorial Energia
Work highlights
Advised BHP on a historic $170bn settlement with the Brazilian government for the Fundão Dam breach, Brazil's largest environmental case.
Advised JP Morgan Chase, alongside Jones Day, on the dismissal without prejudice of two US lawsuits regarding the financing of mining operations in Minas Gerais.
Advises Norsk Hydro on a Dutch lawsuit by Brazilian plaintiffs over alleged environmental accidents in Pará, Brazil.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Other key lawyers
Antonio Augusto Reis; Rômulo Sampaio; Juliana Gomes Ramalho Monteiro; Tábata Boccanera Guerra de Oliveira; Solange Cunha; Daniela Diniz; Julia Ferreira