Based in Washington, DC,
Clifford Chance has defended clients across a broad range of high-stakes antitrust matters, achieving strong outcomes at every stage of proceedings, including early dismissals, summary judgment wins, opt-out federal litigation, and trial-level victories. The practice is led by
William Lavery, a trial lawyer with two decades of focus on antitrust litigation and government investigations, particularly in the pharmaceutical and healthcare sectors. Joseph Ostoyich heads the US antitrust litigation practice and the firm’s global class actions group, bringing more than 30 years' experience of advising major corporations in antitrust disputes.