"The antitrust team at Marval O'Farrell Mairal is very solid in their advice and has a lot of experience in the field. They always provide accurate and timely advice."
Chambers Latin America, 2025
Marval leads one of the most prominent Competition Law practices in Argentina and Latin America. Our team, with extensive experience, is involved in high-profile and complex investigations related to anticompetitive conduct and the control of economic concentrations across various sectors, including information technology, petrochemicals, pharmaceuticals, agribusiness, textiles, automotive, and services linked to the oil and cement industries, among others.
Our team specializes in investigations of alleged anticompetitive practices, working on the majority of the most challenging and complex cases handled by the Competition Defense Commission, addressing issues such as abuse of dominant position and cartelization.
Additionally, we have managed approximately 30% of the economic concentrations notified in Argentina since the implementation of this regime in the country.
We are experts in coordinating aspects related to global transactions from an Argentine perspective. Our team provides in-depth knowledge on competition matters with cross-border scope, collaborating with key jurisdictions in Latin America, such as Brazil, Chile, Peru, Colombia, and Uruguay.
We offer a comprehensive range of services, including:
- Antitrust compliance: Design and implementation of audits and control programs for competition defense policies.
- Notification of economic concentration transactions: Evaluation of requirements and substantive analysis regarding transactions subject to the economic concentration control regime.
- Cartel investigations: Advisory on complex cases of collusive practices and submissions under the leniency regime.
- Abuse of dominant position: Advisory on cases of potential exclusionary and/or exploitative abuse.
- Professional opinions on competition defense matters: Specialized advisory for foreign investments, including submissions related to competition defense under the Registry of Integrity and Transparency for Companies and Entities (RIGI).