
‘Made up of highly technically competent individuals who understand the difficulties foreign clients face in litigating in Brazil’, the dispute resolution team at Mattos Filho is seen with great regularity defending large multinationals and Brazilian conglomerates in complex, highly sensitive and bet-the-company litigation across numerous industries, including tech, energy, mining, financial services and infrastructure. Commercial litigation, insolvency cases and class actions are among Alex Hatanaka’s key areas of experience, while Arthur Parente primarily focuses on commercial, corporate and M&A disputes. Fernando Dantas M. Neustein stands out for his strong track record in product liability cases across the tobacco, tech, food and beverages, and pharmaceutical sectors. Other noteworthy practitioners include Isabela Campos Vidigal Takahashi de Siqueira, another key contact for class actions, and Nicole Moreira, recommended for her expertise in judicial and administrative litigation involving data protection, and the internet, entertainment and infrastructure sectors.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The experience of working with Mattos Filho has been very enriching and beneficial. The team is made up of highly technically competent individuals who understand the difficulties foreign clients face in litigating in Brazil. The image they convey is one of rigour and in-depth knowledge of the reality of Brazilian courts in their various aspects and instances.'
- ‘Mattos Filho stands out for its excellence in litigation, combining deep technical knowledge, strategic vision and a multidisciplinary approach. We are pleased with the work performed and the handling of our cases.'
Key clients
- Google Brasil Internet Ltda.
- Netflix Entretenimento Brasil Ltda.
Work highlights
Represents BHP Billiton in several strategic cases related to the collapse of the Fundão mine tailings dam in Mariana, operated by Samarco, a joint venture between BHP and Vale S.A., the greatest environmental disaster in Brazil's history and one of the largest in the world.
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
Alex Hatanaka; André Chateaubriand Martins; Arthur Parente; Eduardo Damião Gonçalves; Maricí Giannico; Fabio Ozi; Ricardo Junqueira; Fernando Dantas M. Neustein; Isabela Campos Vidigal Takahashi de Siqueira; Stefano Motta; Nicole Moreira; Thais Arza Monteiro; Ligia Lima Godoy

