KVTS – Kestener Vieira Torronteguy Spegiorin

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KVTS – Kestener Vieira Torronteguy Spegiorin stands at the forefront of the life sciences sector in Brazil, advising multinational companies on complex regulatory issues and litigation. The São Paulo-based team handles a broad range of matters, including good manufacturing practices, product liability, pricing and reimbursement of health-related products, and public procurement. The team is led by life sciences expert Beatriz Kestener, who specialises in healthcare regulatory matters, including the establishment and closure of companies in Brazil, product recalls, and cross-border issues. She frequently represents clients before sanitary regulatory authorities across sectors such as pharmaceuticals, food, cosmetics, medical devices, and veterinary products. Corporate matters are handled by Fabio Alonso Vieira, who regularly assists pharmaceutical clients with asset and share deals, M&A, and other transactional work. On the disputes side, Flávio A. Spegiorin Ramos is the key contact.The practice has recently been strengthened by the addition of life sciences specialist Marco Aurélio Torronteguy, who joined from TozziniFreire in March 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Very good practitioners that are entrepreneurial. Clients are taken care of in good hands. Fabio Alonso Vieira is a very skilled person and nice to work with.’

  • ‘Kestener Vieira Advogados is a Brazilian law firm that stands out for the combination of technical expertise and innovative spirit of its partners, Beatriz Kestener and Fabio Alonso Vieira. The team is highly qualified, with extensive experience in highly regulated sectors. What makes KVLAW unique is its client-centric mission, based on the pillars of ethics, transparency and integrity.'

Key clients

  • Globe Química Ltda.
  • Lyondell Basell Industries

Work highlights

Assisted Natura Cosméticos S.A. with innovation and regulatory compliance, including correct regulatory classification of products, thorough analysis of the distribution chain, and other key subjects.