LAWYER PROFILE
Mariana Tavares Antunes

Mariana Tavares Antunes

Brazil 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Wald, Antunes, Vita e Blattner Advogados

Brazil: Contentious

Practice Areas

Dispute Resolution

Career

Mariana Tavares Antunes started her career at Wald, Antunes, Vita e Blattner Advogados, where she joined in 2000. The recognition of her excellent work led her to the position of managing partner, which she has holds since 2013, and becoming a naming partner in 2016.

Mariana is a highly qualified litigator with experience in domestic and international complex and specialised matters. She cumulates more than twenty years of experience in strategic litigation, arbitration and mediation in various industries such as energy, construction, oil & gas, and telecommunications.

Mariana assists and represents private and public entities in judicial, arbitral and administrative disputes, notably in the infrastructure sector. She has acted in relevant corporate conflicts in the past years involving intellectual property, environmental and competition issues.

Since 2012, Mariana has been regularly featuring in various professional rankings, such as Análise Advocacia magazine (Most Admired Lawyers); LACCA Approved (Best Litigators in Latin America); LACCA Thought Leaders; she also listed in editorial analysis published by specialist publications, such as Chambers Global, Chambers Latin America, Latin Lawyer 250 and The Legal 500.

Collaborator in legal collective publications that deal with procedural and civil law.

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Dispute Resolution: Litigation: The Elite - Brazil

Band 4
Band 4

Individual Editorial

Mariana Tavares Antunes has experience in corporate disputes, including those concerning competition/antitrust issues.

Strengths

Provided by Chambers

  • Mariana Tavares stands out in the litigation arena for her competence and agility.

    Dispute Resolution: Litigation: The EliteChambers Brazil: Contentious
  • Mariana is highly technical and has extensive experience handling complex litigation disputes of various kinds, having worked on contractual, banking and corporate matters. She brings a broad, well‑rounded perspective.

    Dispute Resolution: Litigation: The EliteChambers Brazil: Contentious
  • Mariana Tavares is extremely skilled and has excellent strategic vision in litigation matters.

    Dispute Resolution: Litigation: The EliteChambers Brazil: Contentious

Ranked Individuals at Wald, Antunes, Vita e Blattner Advogados (5)

Brazil

  • Profile image of Arnoldo Wald Filho
    Arnoldo Wald Filho

    Dispute Resolution: Litigation: Highly Regarded

    View profile
  • Profile image of Arnoldo Wald
    Arnoldo Wald

    Dispute Resolution: Litigation: The Elite

    View profile
  • Profile image of Mariana Tavares Antunes
    Mariana Tavares Antunes

    Dispute Resolution: Litigation: The Elite

    View profile

Unknown

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership