Stephen has defended clients against unlawful conspiracy, exclusive dealing, group boycott, market allocation, monopolization and tying claims. In addition to defending clients against litigation, Stephen regularly counsels clients on pricing and distribution and joint venture matters. He represents clients in a wide variety of industries, ranging from aerospace to healthcare to packaging. Stephen is co-chair of the Firm’s Health Antitrust Affinity Group.

Stephen has been recognized as a leading antitrust lawyer by The Best Lawyers in America, Chambers USA, Global Competition Review, Lawyers of Color, The Legal 500 USA, LMG Life Sciences and The National Law Journal.

Prior to joining the Firm, Stephen was an attorney for the FTC, where he received its Award for Meritorious Service. At the Firm, Stephen received McDermott’s Pro Bono and Community Service Award in 2010 for his pro bono efforts.

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• Obtained favorable settlement for Roger Williams Medical Center after asserting antitrust counterclaims against a pharmaceuticals company in a patent infringement litigation involving oncology drugs (Immunomedics, Inc. v. Roger Williams Medical Center, et al., (D.N.J.))
• Defended Weyerhaeuser Company in class action alleging federal antitrust price-fixing conspiracy claim (Kleen Products v. International Paper Co., (N.D. Ill.))
• Obtained dismissal of federal and state antitrust and unfair competition claims against E3/Alpine Healthcare Management brought by a competitor based on an alleged group boycott supported by allegedly exclusive contracts (Bay Area Surgical Mgmt., LLC, et al., v. Aetna Life Ins. Co., et al., (N.D. Cal.))
• Obtained summary judgment against federal antitrust conspiracy and monopolization claims, a ruling that was affirmed by the US Court of Appeals for the Seventh Circuit (Mercatus Group, LLC v. Lake Forest Hospital, (N.D. Ill.))
• Obtained dismissal of federal and state antitrust conspiracy and monopolization claims, and state unfair competition claims, a ruling that was affirmed by the US Court of Appeals for the Ninth Circuit (Space Exploration Techs. Corp. v. The Boeing Co. and Lockheed Martin Corp., (C.D. Cal.))
• Obtained favorable settlement of antitrust conspiracy claims brought by the DOJ and a state attorney general against a health system
• Defended several health systems in Illinois, Michigan, New York and Texas against class action lawsuits on behalf of registered nurses alleging the health systems conspired to depress compensation paid in violation of Sherman Act Section 1
• Defeated a preliminary injunction motion in defense of a “bundled” discount arrangement for the world’s largest biotechnology company (Ortho Biotech Products, L.P. v. Amgen, Inc., (D.N.J.))
• Secured global antitrust clearance with minor divestitures for $6.8 billion merger creating the world’s leading flexible packaging firm
• Secured antitrust clearance for the largest United States ambulatory surgery center chain acquisition in the history of the industry
• Secured antitrust clearance for several health system affiliations and mergers and acquisitions across the country

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• Global Competition Review, 2018 to 2020, recognized as “Elite” in Illinois
• The Legal 500 USA 2016 to 2021, describing Stephen as “recommended by clients” for its Tier 1 Healthcare: service providers team, and “recommended” for cartels and merger defense and civil litigation/ class action defense
• LMG Life Sciences, 2019, Star for Antitrust Litigation
• Lawyers of Color, 2014 Hot List
• The National Law Journal, Rising Star, 2013 Chicago’s 40 Under 40
• Federal Trade Commission 2001, Award for Meritorious Service and Stephen Nye Award

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