Cartels 2025

MEXICO Trends and Developments

Trends and Developments Contributed by: Fernando Carreño, Sergio López, Carlos Cevallos and Dolores Jiménez Von Wobeser y Sierra, SC

Von Wobeser y Sierra, SC is a top-tier, full-ser - vice Mexican firm founded in 1986, known for its integrity, excellence, commitment, agility and diversity. With over 150 lawyers – including 23 partners – the firm covers 17 practice areas and six industry groups. Its antitrust team, based in Mexico City, includes 14 specialised lawyers and is recognised for handling complex investi - gations and merger reviews. The team provides integrated legal strategies by working closely with other relevant practice areas. Regarding

cartel investigations, recent work includes rep - resenting clients in a high-profile market inves - tigation concerning electoral documentation, as well as advising on other significant ongoing cartel probes in sectors considered strategic for the Mexican economy. Von Wobeser y Sierra has grown sustainably and strategically, earn - ing recognition from Chambers and Partners’ Global and Latin America Guides, positioning it among Mexico’s leading firms.

Authors

Fernando Carreño is the head partner in the competition and antitrust practice at Von Wobeser y Sierra. With nearly 20

Sergio López is a partner in the competition and antitrust practice at Von Wobeser y Sierra. Prior to joining the firm, he worked for almost 20 years at COFECE, holding positions of

years of experience, he has participated in Mexico’s most significant cartel and market investigations. He is currently involved in over 60% of the investigations conducted by the Mexican Federal Economic Competition Commission (COFECE). Fernando is also one of the most active attorneys in merger control procedures, advising on both antitrust and corporate aspects of transactions. He has extensive experience negotiating remedies and avoiding divestitures in complex merger reviews.

the highest responsibility, including director general for contentious affairs, head of the Technical Secretariat, and head of the Investigative Authority. He actively participated in hundreds of constitutional control proceedings before the Federal Judiciary. He also supervised merger notifications and led investigations on cartels, abuse of dominance, essential facilities, and competition conditions in regulated markets and cases of substantial market power.

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