LAWYER PROFILE
Mariana Zonenschein

Mariana Zonenschein

Brazil 2026

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Ranked in 2 practice areas

About

Provided by Zonenschein Advocacia

Brazil: Contentious

Practice Areas

Intellectual property

Litigation

Media and Entertainment

Succession and Family

Career

Mariana Zonenschein is a lawyer with a solid track record in strategic civil litigation, handling highly complex disputes. She is admitted to the Brazilian Bar Association (OAB) in Rio de Janeiro and São Paulo, as well as to the Portuguese Bar Association (Ordem dos Advogados de Portugal – OA).

She is the founder of Zonenschein Advocacia, a boutique law firm recognized for its work in corporate litigation, intellectual property, and strategic contracts. Mariana is a member of the Fashion Law Committee of the OAB/RJ and is recognized by international legal directories such as Chambers & Partners and Best Lawyers in the category Dispute Resolution: Litigation.

She has also been recognized by LACCA Approved 2026 in Intellectual Property and by The Legal 500 Latin America 2026 as a reference in Dispute Resolution and Intellectual Property. In 2024, she received the “Lawyer of the Year – IP & TMT” award at The Latin American Lawyer Women Awards, and in 2025, Zonenschein Advocacia was named “Team of the Year – Litigation” at the same event.

Her clients include medium and large national and multinational companies operating in the financial, steel, fashion, entertainment, services, and consumer goods sectors, as well as artists, cultural institutions, and social organizations.

A specialist in Corporate Law and Intellectual Property, and holding a Master’s degree in Business Law from Fundação Getulio Vargas (FGV/SP), Mariana leads the firm’s advisory and litigation practices, focusing on contractual and non-contractual disputes, credit recovery, civil liability, inheritance law, and intellectual property, with an emphasis on efficiency, strategy, and innovation.

Key sectors

Art and EntertainmentBusiness and Professional ServicesEnergy and UtilitiesFinancial InvestorsIndustrials, Engineering and Manufacturing

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Dispute Resolution: Litigation: Mid-Market - Brazil

Band 1
Band 1

Individual Editorial

Founding partner Mariana Zonenschein is knowledgeable of civil, corporate and intellectual property disputes. She frequently represents clients from the infrastructure, finance and entertainment industries.

Chambers Brazil: Regions

Dispute Resolution: Rio de Janeiro - Brazil

Band 5
Band 5

Individual Editorial

Mariana Zonenschein is a founding partner focused on civil litigation, handling disputes involving contracts, intellectual property and credit recovery. She represents clients in corporate and commercial disputes, insolvency proceedings, inheritance matters and enforcement actions across sectors including finance, industry and entertainment.

Strengths

Provided by Chambers

  • Mariana Zonenschein stands out for combining strategic insight, technical rigour and a deep understanding of the business and technological dynamics that shape modern litigation.

    Dispute Resolution: Litigation: Mid-MarketChambers Brazil: Contentious
  • Mariana Zonenschein is a well‑rounded, efficient lawyer who is well connected and quick to resolve complex problems.

    Dispute Resolution: Litigation: Mid-MarketChambers Brazil: Contentious
  • Determined and highly technical, Mariana Zonenschein does not tell clients what they want to hear but what they need to know.

    Dispute Resolution: Litigation: Mid-MarketChambers Brazil: Contentious
  • Mariana Zonenschein combines exceptional intelligence with a strong track record and recognition before the courts.

    Dispute Resolution: Rio de JaneiroChambers Brazil: Regions
  • The best lawyer I’ve worked with, Mariana Zonenschein is extremely intelligent, efficient and well connected, with a knack for out-of-the-box solutions.

    Dispute Resolution: Rio de JaneiroChambers Brazil: Regions
  • Mariana Zonenschein is highly skilled and has strong business acumen aligned with her clients’ interests.

    Dispute Resolution: Rio de JaneiroChambers Brazil: Regions

Ranked Individuals at Zonenschein Advocacia (2)

Brazil

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