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Leo Lopes de Oliveira Neto
Partner

Leo Lopes de Oliveira Neto

Languages
  • Portuguese
  • English
Social media

Leo Lopes leads the Tax Litigation practice at FAS Advogados. 

With over 18 years of experience, he has a significant presence in tax disputes, both in judicial and administrative contexts, at federal, state, and municipal levels, providing assistance to clients in the financial, insurance, retail, technology, services, and manufacturing sectors. Additionally, he is one of the partners responsible for the pension area, specializing in disputes involving payroll tax matters.

Memberships & Roles

  • Member of the Brazilian Bar Association (OAB)
  • Teacher of Tax Law in the undergraduate program at the Universidade Paulista (UNIP- SP) 

Awards & Rankings

  • Chambers and Partners
    Tax: Litigation - 2023, 2024, 2025
     
  • World Tax – ITR
    Highly Regarded Lawyers in Corporate Tax and Tax Controversy - 2023, 2024, 2025, 2026
     
  • Thomson Reuters
    Stand-out Lawyers - 2022, 2023 and 2024
     
  • Análise Advocacia
    Recognized as one of the most admired lawyers in Brazil - 2020, 2021, 2022, 2023, 2024, 2025, 2026
     
  • LACCA Approved 
    Tax - 2025, 2026
     
  • Leaders League 
    Tax Litigation - 2022, 2023, 2024, 2025, 2026

Education

  • 2007 – Bachelor's Degree in Law from the Pontifícia Universidade Católica in São Paulo (PUC-SP)
  • 2011 – Specialization in Tax Law from the Fundação Getúlio Vargas in São Paulo (FGV-SP)
Practice Areas

Insights by Leo Lopes

Legal Outlook 2026 - Brazil: strategic trends across key practice areas

02 Feb 2026 2 min read

Trends in tax litigation for 2026

21 Jan 2026 1 min read

What tax is this? Trends in tax litigation for 2026

20 Jan 2026 1 min read

Advance payment of taxes can harm the cash flow of medium-sized companies undergoing judicial reorganization.

09 Jan 2026 1 min read
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