Stephen Chuk is a Partner in Proskauer’s Antitrust and Sports Groups, representing clients in their most high-stakes antitrust and competition matters. A trusted advisor to general counsel and senior executives, he regularly defends clients facing criminal and regulatory investigations by the U.S. Department of Justice, Federal Trade Commission, and state attorneys general.
Stephen has defended clients against allegations of price fixing, monopolization, group boycott and bid rigging, managing sophisticated antitrust disputes from inception through trial. In 2023, he was a lead member of the trial team that secured a landmark defense victory for Sanderson Farms, defeating $7 billion in damages claims after a six-week jury trial in the U.S. District Court for the Northern District of Illinois.
His accomplishments have earned him recognition as one of the leading young antitrust litigators in the country. Most recently, Stephen was selected as a Rising Star by Law360, named to Benchmark Litigation’s “40 & Under List” and recognized in Best Lawyers: Ones to Watch in America for 2026.
In addition to his antitrust work, Stephen counsels clients on consumer protection and marketing practices, including false advertising disputes. He has handled precedent-setting matters before the FTC and state attorneys general, giving him valuable insight into the intersection of competition and consumer protection enforcement and enabling him to equip clients with practical, business-focused strategies to manage overlapping risks.
Education
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Villanova University School of Law, J.D.
Editor-in-Chief, Villanova Law Review
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University of Maryland at College Park, B.A.
Admissions & Qualifications
- District of Columbia
- New York
- Pennsylvania
Clerkships
- U.S. District Court, Pennsylvania, Eastern District - Hon. C. Darnell Jones, II
Court Admissions
- U.S. District Court, New York, Southern District
- U.S. District Court, Pennsylvania, Eastern District
Awards & Recognition
Law 360's Rising Stars 2025
Benchmark Litigation's 40 and Under 2025
Legal 500 US Antitrust: Civil Litigation/Class Actions: Defense 2023-2025
Lawdragon 500 Leading Global Entertainment, Sports and Media Lawyers 2025
Best Lawyers, Ones to Watch in America: Commercial Litigation, Entertainment and Sports Law 2026
Matters
Representative Matters include:
- Representing one of the largest independent shale oil producers, in a multi-district litigation alleging price-fixing and supply reduction by major U.S. oil producers
- Securing a complete defense verdict on behalf of a producer of broiler chicken in an antitrust class action involving claims of industry-wide supply control and price-fixing
- Defending a leading revenue-based financing company in an action brought by the Federal Trade Commission alleging violations of the FTC Act, and in related investigations by state attorneys general
- Defending a generic pharmaceuticals manufacturer in multi-district and related state court actions involving allegations of price fixing among generic drug makers
- Successfully representing a professional sports club in connection with an FTC investigation, which was closed without charges or a consent decree
- Defending a professional sports league against antitrust monopolization and conspiracy claims
- Defending nation’s largest turkey producer in antitrust class action alleging claims of supply reduction
- Defending a producer of broiler chicken in multi-district litigations involving allegations of suppressing worker wages and compensation for growers.
- Representing a professional sports league in defeating antitrust, breach of contract, and breach of fiduciary claims brought by former player-agent
- Representing numerous individuals in connection with joint DOJ and EPA investigations into diesel emissions
- Defending several large consumer electronics companies and a patent pool administrator against antitrust and unfair competition claims regarding licensing of digital television patents
- Securing dismissal of claims on behalf of a manufacturer of wood products in putative class action involving allegations of industry-wide price fixing in the lumber industry
- Representing a television network in antitrust action in alleging claims of unlawful exclusive dealing and group boycott
- Securing dismissal of price fixing and price gouging claims in multiple class actions involving the price of eggs following the COVID-19 pandemic
- Representing a distributor of dental supplies and dental equipment against price-fixing and group boycott claims in a class action litigation
- Defending a marketer of potatoes in a multidistrict class action litigation alleging a price-fixing conspiracy in the potato industry
- Securing dismissal of antitrust claims against one of the largest egg producers in the U.S. relating to an alleged price-fixing conspiracy in the egg industry