Marguerite M. Sullivan CLE Attorney

Marguerite M. Sullivan


Latham & Watkins

Maggy Sullivan is a partner in the Litigation & Trial Department of Latham & Watkins and is a member of the firm’s Antitrust & Competition Practice, the Finance Committee, and the Strategic Client Committee. She has extensive experience in both private and government antitrust matters, and has defended corporate clients in cartel investigations, complex civil actions, multi-district actions, and class actions.

Ms. Sullivan focuses on antitrust class actions and business to business litigation in state and federal courts, criminal cartel investigations, and antitrust compliance counseling. She has been involved in some of the largest and most complex antitrust matters to date.

Ms. Sullivan’s antitrust work has covered a wide range of industries, including energy, consumer products, healthcare, automotive, software and technology, construction materials, specialty chemicals, textiles, medical dictation, paper, cable, and satellite.