USA Law and Practice Contributed by: Robert Houck, William Lavery, Leigh Oliver and Joseph Ostoyich, Clifford Chance LLP
Clifford Chance LLP brings decades of first-chair antitrust trial experience, having tried bench and jury trials against the Department of Justice, the Federal Trade Commission and private parties. The team has defeated class certification, won dozens of cases on summary judgment and on the pleadings, and excluded opposing experts on Daubert grounds in numerous monopolisation, conspiracy, unfair com - petition and price discrimination cases, including a jury verdict for Caterpillar Inc against conspiracy and
boycott claims. The group boasts significant merger clearance capabilities and has tried several merger challenges under Section 7 of the Clayton Act, and regularly advises Global 1,000 companies on an - titrust compliance and regulatory issues. The team includes lawyers with senior experience in private practice and government enforcement roles. The US practice is an integral part of Clifford Chance’s global antitrust group of more than 200 lawyers across the Americas, Europe, the Middle East and Asia-Pacific.
Authors
Robert Houck is the head of the US litigation and dispute resolution group at Clifford Chance in New York, NY. Robert represents clients in govern - ment investigations and complex commercial litigation, with a specific
Leigh Oliver is a partner in the antitrust group at Clifford Chance in Washington, DC. She is head of the US antitrust group and co-head of the global healthcare and life sciences sector at Clifford Chance. Leigh
focus on cross-border matters. He has experience in antitrust matters in complex trading markets and has represented corporations and individuals in connection with regulatory investigations before the Commodity Futures Trading Commission, the Department of Justice, the Securities and Exchange Commission, the New York Stock Exchange, state attorneys general and non-US regulators. Robert has extensive experience in representing compa - nies, underwriters, corporate officers and outside directors in class actions.
advises on antitrust issues ranging from transforma - tional mergers and acquisitions to state and federal antitrust investigations. She has two decades of experience in advising clients in heavily scrutinised industries, including healthcare, life sciences, aerospace and defence, and industrials. Leigh regularly represents clients in merger litigation in federal court.
Joseph Ostoyich is the head of the US antitrust litigation practice at Clifford Chance in Washington, DC. He has been lead counsel in dozens of “bet-the-company” class action and individual price fixing, monopoli -
William Lavery is the managing partner of Clifford Chance in the Washington, DC office and a member of the firm’s US antitrust litigation group. An accomplished trial lawyer with 20 years of antitrust litigation
sation, merger challenges and other antitrust matters, and his trial prowess has earned him recognition for “excellence among American litiga - tion and trial counsel”. Joe is a Fellow of the invita - tion-only Litigation Counsel of America, a trial lawyer honour society limited to 3,500 lawyers (<0.5%) nationwide. He has repeatedly received high rank - ings from Chambers and Partners and other publi - cations.
experience, Will specialises in high-stakes civil and criminal antitrust matters and government investiga - tions, regularly representing clients before the US Department of Justice, the Federal Trade Commis - sion and federal courts nationwide. Many of the world’s largest companies rely on his strategic guidance in complex “bet-the-company” litigation, investigations and merger challenges. His track record has earned consistent recognition as a leading antitrust practitioner in prominent national rankings.
243 A NTITRUST LI T IGATI O N 2026
CHAMBERS.COM
Powered by FlippingBook