Stephen Wu focuses his practice on antitrust litigation, defending mergers and acquisitions before antitrust enforcement agencies and counseling clients on antitrust compliance issues. He represents clients in a wide variety of industries ranging from aerospace to packaging, with a particular concentration on health care antitrust matters. He is co-chair of the Firm’s Health Antitrust Affinity Group.

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Repräsentative Mandate

  • Obtained dismissal of federal and state antitrust and unfair competition claims against The Permanente Medical Group brought by a competing health system (NorthBay Healthcare Group v. Kaiser Foundation Health Plans, et al., (N.D. Cal.))
  • 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.))
  • Defending Southern Illinois Healthcare, the largest health system in southern Illinois, in antitrust litigation brought by a competing ambulatory surgery center based on allegedly exclusive contracts (Marion Healthcare LLC v. Southern Illinois Healthcare, et al., (S.D. Ill.))

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  • Global Competition Review, 2018-2019, member Global Elite antitrust and competition practice and named as a “top name in the practice”
  • Chambers USA, 2019 Recognized Practitioner
  • U.S. News, 2018, member, Tier 1 practice for National Antitrust Law and National Antitrust Litigation
  • The Legal 500 USA 2016 to 2019, describing Stephen as “recommended by clients” for its Tier 1 Healthcare: service providers team, and “recommended” for civil litigation and class action defense
  • 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


  • American Bar Association, Section of Antitrust Law
  • Asian American Bar Association of Greater Chicago, Law Foundation, board member


George Washington University Law School, JD, 1999
University of Illinois at Urbana-Champaign, BA/BS, 1996


Courts / Agencies
US Court of Appeals for the Sixth Circuit
US Court of Appeals for the Seventh Circuit
US District Court for the Northern District Court of California
US District Court for the Northern District of Illinois
US District Court for the Southern District of Illinois
US District Court for the Eastern District of Michigan
US District Court for the District of New Jersey
US District Court for the Northern District of Ohio
US District Court for the Western District of Wisconsin

Stephen Wu

Insights & Events / Media

Trustee Magazine, Vol. 67, No. 2 / February 2014