Mattos Filho has a robust data protection and cybersecurity practice, known for its specialist expertise in handling both complex contentious and non-contentious matters. With deep sector-specific knowledge spanning banking, insurance, health, and technology, the team advises on major security incidents, regulatory frameworks, data processing, and compliance. Fabio Kujawski is a key contact for data privacy-related transactions, regulatory issues, and contractual matters. The practice also benefits from the expertise of technology specialist Paulo Brancher and data privacy and cybersecurity expert Thiago Luis Sombra, both of whom play central roles in the team. Supporting the practice are Jaqueline Simas de Oliveira, who handles a mix of advisory and litigation work in data protection; Maíra Schweling Scala Pfaltzgraff, who brings expertise in contractual negotiations and drafting complex agreements; and Isabela Fernandes, who focuses on digital platforms and emerging technologies. Luiz Felipe Di Sessa is no longer at the firm.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Mattos Filho has an unparalleled customer service culture, in addition to having professionals with great technical knowledge and know-how of market practices.’
  • ‘Paulo Brancher has extensive experience in technology-related matters. Jaqueline Simas de Oliveira served us directly, giving us all the necessary comfort and was always willing to investigate the best path with deliveries of notable excellence.'

Key clients

  • Amazon Web Services, Inc.
  • Google Brasil Internet Ltda.

Work highlights

Advised ByteDance on a data protection administrative proceeding.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Isabela Fernandes
Isabela Fernandes
Jaqueline Simas de Oliveira
Jaqueline Simas de Oliveira
Other key lawyers

Fabio Kujawski; Paulo Brancher; Thiago Luis Sombra; Jaqueline Simas de Oliveira; Isabela Fernandes; Maíra Schweling Scala Pfaltzgraff