Our professionals
Thais Arza Monteiro
Areas of expertise
Experience
Thais has significant experience in pre-litigation and in handling complex insurance law, life sciences and intellectual property cases before the Brazilian courts. She represents insurers and reinsurers in both lawsuits and arbitrations in relation to claims involving large risks insurance, public administration, reimbursement and judicial reorganization disputes.
With a particular focus on intellectual property litigation, Thais also represents local and foreign clients in lawsuits involving the infringement of trademarks, patents, software, unfair competition and data breaches.
Thais is also the deputy leader of the France-Brazil Chamber of Commerce’s law commission.
Education
Bachelor of Laws – Universidade Presbiteriana Mackenzie;
Master’s Degree in Procedural Law – Université Paris Sud, France.
Recognitions
Chambers Brazil – Private Pensions (2026)
Legal 500 – Insurance (2026);
Análise Advocacia- Civil (2023 – 2024), Technology (2023 – 2024) and São Paulo (2023 – 2024);
Análise Advocacia Mulher- Cível (2024), Pensions (2024), Business contracts (2024), Technology (2024) and São Paulo (2024);
Benchmark Litigation (2019 – 2021);
Expert Guides – Rising Stars: Litigation (2021 – 2022).
Brazilian Insurance Authority opens public consultation on new regulations for reinsurance
Brazil’s new Insurance Law: main direct impacts on reinsurers
Brazil signs Singapore Convention on international mediation
Subjects:
Mattos Filho announces promotion of nine associates to partners
Industrial Property Law: Supreme Federal Court suspends paragraph regarding patent validity terms
DEAL: Japan’s Sompo acquires Brazilian insurer Fator Seguradora
Mattos Filho has advised Japan-owned Sompo Seguros on its acquisition of Brazilian insurer Fator Seguradora from Banco Fator.
Click here to access the deal published by Latin Lawyer.
Areas of expertise
Mattos Filho announces promotion of nine associates to partners
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