Department profile
Marval O'Farrell Mairal

Competition/Antitrust

Latin America Guide 2026 : Argentina


Marval O'Farrell Mairal

Rankings

About

Provided by Marval O'Farrell Mairal

Marval has the largest Competition Practice in Argentina and one of the largest in Latin America. Our experienced group of professionals is consistently involved in the biggest and most complex antitrust investigations and merger control filings in Argentina across a wide range of industries that includes IT, petrochemical, pharmaceutical, farming, oil-related services, cement, textile and vehicle manufacturing markets, among many others.

We have an outstanding antitrust investigation practice and we participate in the majority of the most demanding and complex investigations conducted by the Antitrust Commission. Our team has been responsible for approximately 30% of all merger filings in Argentina ever since the introduction of merger control in the country. We have unmatched experience of advising clients on cross-border competition matters involving other Latin American jurisdictions, particularly Brazil, Chile, Peru and Uruguay, as well as liaising and coordinating the Argentine section of global transactions.

Our competition/antitrust practice covers a wide range of matters including:

  • Antitrust audits and compliance programs
  • Pre-Merger strategy analysis and Merger Control issues
  • Cartel investigations
  • Monopolization/dominance cases
  • Antitrust Litigation 

Chambers Review

Provided by Chambers

Competition/Antitrust - Argentina

Band 1

Band 1


What the Team is Known For

Marval O'Farrell Mairal is a stellar full-service firm boasting a market-leading competition department. Its bench of seasoned practitioners offers expert counsel to well-reputed multinational clients on the antitrust aspects of M&A transactions, as well as representing them before the Argentine competition authority. The department also provides experience advising on investigations concerning abuse of dominant positions and other allegations of anti-competitive behaviour.

Work Highlights

Provided by Chambers

  • Marval O'Farrell Marial advised Novo Holdings and Novo Nordisk on their USD16.5 billion acquisition of sole control over Catalent, including the transfer of three Catalent sites to Novo Nordisk.

Strengths

Provided by Chambers

  • Marval O'Farrell Mairal is a first-class firm in Argentina with outstanding professionals who combine strong technical skills with a clear business focus.

    Competition/Antitrust respondentLatin America
  • Marval O'Farrell Mairal is characterised by its deep expertise in competition law and the applicable regulations, as well as its high responsiveness. The service they offer is excellent.

    Competition/Antitrust respondentLatin America

Notable Practitioners

Provided by Chambers

  • Band 1Miguel del Pino
    Band 1Miguel del Pino

    Miguel del Pino

    Front-running partner Miguel del Pino continues to garner extensive praise from the market for his local and international experience in the competition arena.

    • Miguel del Pino is recognised for his strong command of the field and his foresight in identifying potential issues before they arise.

      Competition/Antitrust respondentLatin America
    • Miguel del Pino's thorough understanding of his clients’ commercial strategies is key to his approach. He has unparalleled expertise in competition law and is always attentive to his clients' needs.

      Competition/Antitrust respondentLatin America
  • Band 2Santiago Del Rio
    Band 2Santiago Del Rio

    Santiago Del Rio

    Respected partner Santiago Del Rio has notable expertise in competition matters in Argentina, being particularly active in merger control proceedings.

    • Santiago Del Rio strikes the perfect balance between legal knowledge, practical solutions, business acumen and personable charisma, which clients value in any outside counsel.

      Competition/Antitrust respondentLatin America
  • Associates to watchGabriela Ariel Irízar
    Associates to watchGabriela Ariel Irízar

    Gabriela Ariel Irízar

    Associate-to-watch Gabriela Irízar regularly assists clients with merger control proceedings in Argentina.

    • Gabriela Irízar provides impeccable advice in the Argentine competition market.

      Competition/Antitrust respondentLatin America

Ranked Individuals at Marval O'Farrell Mairal (3)

Argentina

Members

Provided by Marval O'Farrell Mairal

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