Mark Griffin


Mark Griffin has over 25 years of experience in antitrust litigation. As a member of Keller Rohrback’s nationally recognized Complex Litigation Group, Mark has litigated over 80 class action cases to successful conclusions. Mark joined Keller Rohrback in 1988 after serving as a judicial law clerk for Magistrate Judge Philip K. Sweigert of the U.S. District Court for the Western District of Washington. He helped launch the firm’s antitrust practice with achievements including $49.5 million in settlements in the Specialty Steel Pipe Antitrust Litigation, paving the way for the firm’s success in other class action litigation. Mark has been a partner at Keller Rohrback for almost 20 years, has served on the firm’s Executive Committee since 2001, and has chaired the Antitrust Practice Group since 2007. Most recently, his leadership in an antitrust class action resulted in settlements totaling over $48 million for registered nurses employed by hospitals in Detroit, (Cason-Merenda v. VHS Michigan, Inc.)


1201 Third Avenue
Suite 3200
Seattle , Washington , 98101
United States

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