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.

  • 'Antonio Augusto Rebelo Reis has extensive experience in environmental consultancy and litigation, working in M&A transactions, audits, project structuring, and environmental licensing processes. His ability to resolve conflicts consensually and his involvement in sectors such as energy, mining, and agribusiness distinguish him in the market.'
  • 'The team of professionals combines top-level legal expertise with a rare capacity for institutional engagement, being recognised not only for their solid argumentation but also for their ability in mediation, consensus building, and delivering practical and reliable solutions, even in highly complex matters such as those involving environmental law.'
  • ‘Associates Daniela Diniz and Julia Ferreira do excellent work, with fast deliveries and excellence.’
  • ‘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.’
  • ‘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.’
  • ‘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.’

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