Antitrust Litigation 2025

USA – NEW YORK

Canada

Vermont

New York

Massachusetts Connecticut

Trends and Developments Contributed by: Philip Iovieno, Kristen J. McAhren and Mark Singer Cadwalader, Wickersham & Taft LLP

Pennsylvania

New York

New Jersey

Cadwalader, Wickersham & Taft LLP was established in New York in 1792. Cadwalader is a trusted adviser to many of the world’s leading financial institutions, corporations and investment funds, with more than 225 years of experience crafting innovative solutions

for the firm’s clients’ most complex legal issues. The firm is ranked in five Guides by Chambers and Part - ners, including as a Leading Firm in the Global, USA, UK and High Net Worth Guides.

Authors

Philip Iovieno is the co-chair of Cadwalader’s antitrust litigation group, with a practice focused on representing plaintiffs and defendants in antitrust and other complex commercial litigation. Phil has

Mark Singer is special counsel in Cadwalader’s New York office. A member of Cadwalader’s antitrust and commercial litigation department, Mark has represented both plaintiffs and defendants in federal and state

extensive experience in federal and state courts throughout the country, including having led or co-led multiple jury trials through verdict. Phil has been consistently ranked as one of the leading lawyers in America by multiple publications, particularly in the areas of antitrust and litigation. Phil and Cadwalader’s antitrust litigation department are ranked by Chambers in the category of “Antitrust: Mainly Plaintiff” in New York.

courts throughout the United States, including at trial and on appeal. He has been ranked as “Up and Coming” by Chambers USA 2025 in the category of “Antitrust: Mainly Plaintiff” in New York.

Kristen J. McAhren is counsel in Cadwalader’s Washington, DC office. A member of Cadwalader’s antitrust and global litigation departments, she is an experienced trial lawyer who focuses her practice on representing

both plaintiffs and defendants in all aspects of antitrust and global dispute resolution, from case inception through trial and appeals, in the United States and abroad. She has also represented clients in criminal investigations and regulatory antitrust matters brought by the US Department of Justice, the Federal Trade Commission, the European Commission, and others.

320 CHAMBERS.COM

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