Pérez Alati, Grondona, Benites & Arntsen is regularly sought out by domestic and international clients for support in antitrust filings and proceedings with Argentine antitrust regulators, as well as in litigation related to competition and antitrust cases, and anti-competitive behaviour investigations. The team has represented clients in some of the most complex antitrust matters and has a track record of securing landmark antitrust rulings in highly contentious contexts, including through litigation and injunctive relief. Other active areas include representing clients in price fixing and cartel investigations and the provision of general advice on competition and antitrust regulations. The practice is headed by the impressive and highly respected Luis Barry, whose practice covers antitrust, competition, product liability and consumer law. He is supported by a capable roster of dedicated antitrust and competition lawyers, including María Carolina Abdelnabe Vila, who was raised to the partnership in 2023 and handles consumer protection, fair trade, data protection, product liability and legal technology matters; counsel Clara Rodriguez Llanos, a specialist in competition, antitrust, fair trade law and product liability; and associate Sonia Del Regno, who has been noted for her work in complex merger control cases.
Legal 500 Editorial commentary
- Profile
Testimonials
Collated independently by Legal 500 research team.
'A pragmatic and responsive team.’
‘Sonia del Regno is excellent. Responsive and clear.’
‘They have experience and deep knowledge of the subject. Thanks to their advice we have been successful in all the issues involved.’
‘Excellent professionals who respond quickly with excellent analysis. Very good client engagement.'
‘The important thing as a team is that everyone is on topic and willing to find quick solutions to resolve the issues that arise.'
‘The antitrust defence team has solid technical knowledge and is always available and accessible.'
‘The competition law team is an an excellent choice for complex mergers. They are great on strategic matters, as well as on the minutiae of submissions.’
‘Luis Barry is the standout practitioner of the team. He is the lawyer you would want by your side in a complex merger in Argentina.’
Key clients
- American Airlines
- Fiat Chrysler Automobiles
- Ferring International Center
- Puma Sports
- Evonik Industries
- Linde
- Gestamp Automoción
- Mercedes-Benz Camiones y Buses Argentina
- Dow Group
- Honda Motor de Argentina
Work highlights
- Advising Linde after a merger between Linde and Praxair was challenged by regulatory authorities.
- Successfully advised Fiat Chrysler Automobiles on its merger with Peugeot to create Stellantis, the fourth largest automotive group in the world.
- Advising American Airlines in the acquisition of a minority stake (35%) in JetSMART Holdings Limited.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Clara Rodriguez Llanos
Practice head
Luis Barry