Winston & Strawn (New York)

Jeffrey L. Kessler

Winston & Strawn (New York)
Lawyer (Partner)

Jeffrey L. Kessler is a partner in the firm’s New York office who serves as the head of the global antitrust/competition practice and co-chairs the sports law practice group. Additionally, Mr. Kessler serves on the firm’s Executive Committee. He has extensive experience in all aspects of antitrust law, sports law, intellectual property and other complex litigation. He has been lead counsel in some of the most complex antitrust, sports law and IP law cases in the country, including major jury trials, and has represented a number of US and international companies in criminal and civil investigations in the antitrust and trade areas. He successfully defended Matsushita and JVC against claims of a worldwide conspiracy in the landmark U.S. Supreme Court case Zenith v. Matsushita and is regarded as a leading commentator on international antitrust law. Mr. Kessler is a Lecturer-in-Law at Columbia Law School where he teaches a course on complex litigation. He has written and lectured extensively on a wide variety of antitrust, sports law and related topics.

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Winston & Strawn (New York)
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3038 Bulletin

A. Paul Victor, Aldo Badini, David S. Turetsky, Eamon O’Kelly, Jeffrey L. Kessler The US Court of Appeals for the DC Circuit overturns an FTC’s ruling in the computer memory market for failing to prove unlawful monopolization (Rambus)


The Court of Appeals for the District of Columbia Circuit has overturned the Federal Trade Commission’s ruling against Rambus, Inc. (“Rambus”), finding that the Commission did not prove that Rambus’s failure to disclose certain intellectual property interests to a standard-setting organization (...)

A. Paul Victor, Eamon O’Kelly, Jeffrey L. Kessler, John F. Collins The US Court of Appeals for the Second Circuit affirms dismissal of conspiracy and monopolization in the elevator industry for failure to meet Twombly pleading standards (In re Elevator Antitrust Litigation)


On September 4, 2007, the Second Circuit Court of Appeals affirmed the dismissal of all claims in In re Elevator Antitrust Litigation, No. 06-2138-cv, 2007 WL 2471805 (2d Cir. Sept. 4, 2007) (slip opinion available at, finding that the complaint failed to satisfy (...)

A. Paul Victor, Eamon O’Kelly, Jeffrey L. Kessler, John F. Collins The US Court of Appeals for the Ninth Circuit rules that bundled discounts will not support a claim under s. 2 of the Sherman Act unless the discounts are below an appropriate measure of costs (Cascade Health Solutions / PeaceHealth)


On September 4, 2007 the United States Court of Appeals for the Ninth Circuit issued its much-anticipated decision in Cascade Health Solutions (fka McKenzie- Williamette Hospital) v. PeaceHealth, et al., No. 05-35627, 2007 WL 2473229 (9th Cir. Sept. 4, 2007). The court held that bundled pricing (...)

A. Paul Victor, Eamon O’Kelly, Jeffrey L. Kessler, John F. Collins The US Supreme Court rules that federal and state antitrust claims related to certain IPOs are preempted by federal securities laws (Credit Suisse Securities / Billing)


In a decision announced earlier today, the United States Supreme Court held that federal securities laws implicitly preclude the application of antitrust laws to claims filed against ten leading investment banks over alleged conduct on initial public offerings during the technology boom of the (...)

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