Matthew W. Ruan is Of Counsel at Cohen Milstein and a member of the firm's Antitrust practice group.  In this role, Mr. Ruan represents a broad range of individuals, businesses, and unions in civil litigation, with a focus on multi-district class actions and antitrust litigation.

Mr. Ruan is currently litigating the following matters:

  • Sutter Health Antitrust Litigation (Sup. Crt., San Fran. Cnty., Cal.): Cohen Milstein is part of a small team of firms representing a certified class of self-funded employers and union trust funds against Sutter Health, a large hospital chain in Northern California, for restraining hospital competition through anticompetitive contracting practices. In October 2019, on the eve of trial, the case settled for $575 million and comprehensive injunctive relief. On March 9, 2021 the Court granted preliminary approval of the $575 million settlement. The final approval hearing is scheduled for July 19, 2021.
  • In re Automotive Parts Antitrust Litigation (E.D. Mich.): Cohen Milstein is representing a putative class of direct purchasers alleging price-fixing conspiracy against manufacturers of automotive bearings, windshield wiper systems, occupant safety systems, and various other automotive parts.
  • Stock Lending Litigation (S.D.N.Y.): Cohen Milstein and co-counsel filed a putative class action on August 17, 2017 in the Southern District of New York on behalf of Iowa Public Employees Retirement System and other investors, alleging collusion among six of the world’s largest investment banks to prevent modernization of the $1.7 trillion stock loan market. Plaintiffs allege that Bank of America, Credit Suisse, Goldman Sachs, JP Morgan, Morgan Stanley, and UBS conspired to overcharge investors and maintain the power they hold over the stock loan market, obstructing multiple efforts to create competitive electronic exchanges and enhance price transparency that would benefit both stock lenders and borrowers.

Prior to joining Cohen Milstein, Mr. Ruan was an associate attorney at Berman DeValerio. While there, he focused on antitrust, securities, and consumer class actions. He also was an associate at Heins Mills & Olson, PLC and also served as a judicial extern for the Hon. Blanch M. Manning of the U.S. District Court for the Northern District of Illinois.

Mr. Ruan graduated from the University of Chicago, with Honors, with an A.B. in Anthropology in 2000.  He received his J.D. from the University of Michigan Law School in 2003.  During law school, Mr. Ruan served as the Associate Editor of the Michigan Journal of International Law.