Our professionals
Alex Hatanaka
Areas of expertise
Experience
With extensive experience in commercial and civil litigation, Alex specializes in disputes related to financial and capital markets. He represents financial institutions, funds and multinationals, particularly in cross-border and complex commercial litigation, insolvency-related litigation, restructurings and class actions. Alex also assists with administrative proceedings before the Brazilian Securities Commission (CVM) and the Central Bank of Brazil. Prior to joining Mattos Filho, Alex served for nearly a decade in senior positions at Bank of America Merrill Lynch and Goldman Sachs, where he worked with judicial and regulatory disputes and made decisions regarding transactions. He has previously worked at Sidley Austin’s New York office and at Peters and Peters in London.
Alex is a member of the Turnaround Management Association (TMA) and the INSOL International and Banking Law Commission of the Brazilian Bar Association (OAB) – São Paulo Section.
Education
Bachelor of Laws – Universidade de São Paulo (USP);
Bachelor of Business Administration – Fundação Getulio Vargas (FGV);
Master of Commercial Laws – Universidade de São Paulo (USP);
Master of Laws (LL.M.) – London School of Economics and Political Science (LSE).
Recognitions
Chambers Brazil – Bankruptcy & Restructuring (2021 – 2026) and Dispute Resolution: Litigation: The Elite (2024 – 2026);
Chambers Global – Dispute Resolution: Litigation (2025 – 2026);
Latin Lawyer 250 – Restructuring & insolvency (2023 – 2026);
Legal 500 – Banking and Finance (2018 – 2019) and Bankruptcy and Restructuring (2018) Restructuring and Insolvency (2026);
Análise Advocacia – Specialized Services (2018);
IFLR 1000 – Restructuring & Insolvency (2025);
Benchmark Litigation – Arbitration (2018 – 2021), Commercial Transactions (2018 – 2021) and Banking & financial services (2018 – 2021);
Best Lawyers – Brazil: Arbitration and Mediation (2020 – 2021) and Global Business: Arbitration and Mediation (2020 – 2022);
GRR – Names to Know in Brazil (2020);
Lexology Index Brazil – Commercial Litigation (2024 – 2025).
Restructuring & Insolvency Newsletter: December 2025-January 2026 updates
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Restructuring and insolvency newsletter: October and November 2025 updates
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Restructuring & Insolvency Newsletter: August and September 2025 updates
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Restructuring and Insolvency Newsletter: June and July 2025 updates
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Restructuring and Insolvency Newsletter: April and May 2025 updates
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Banks face thousands of abusive lawsuits
More than 700,000 lawsuits filed against eight banks between 2022 and 2024 were identified as abusive, according to data gathered by the Brazilian Federation of Banks (Febraban). The organization further concluded that, despite banks having won around 90% of these cases, administrative costs related to litigation alone amounted to R$ 800 million.
Click here and read the article on Valor Econômico Internacional.
Areas of expertise
INSOL, San Diego: pitfalls and possibilities in LatAm DIP financings
Regulatory restraints on banks and antiquated insolvency frameworks are holding some Latin American countries back when it comes to debtor-in-possession financing, according to a panel of insolvency specialists at INSOL’s annual conference, but there is cause for optimism with new laws and proposed legislation creating friendlier environments in Brazil and Mexico.
Click here and read the article on Global Restructuring Review.
Areas of expertise
Brazil makes covid-19 amendments to bankruptcy law
Areas of expertise
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