>Partners & Associates

Sean R. Matt - Partner

1918 Eighth Ave.
Suite 3300
Seattle, WA 98101
Phone: (206) 268-9327
sean@hbsslaw.com

Mr. Matt is a partner at Hagens Berman Sobol Shapiro, where he has worked since its founding in 1993. Mr. Matt's practice focuses on multi-state and nationwide class actions and complex commercial litigation encompassing securities and finance, consumer, antitrust, insurance, products, environmental and employment issues.

Mr. Matt leads the firm's innovation in organizing and prosecuting individual class cases across many states involving the same defendants and similar factual and legal issues, an approach that continues to be a key factor in the firm's success. His prior casework with the firm reflects his diverse experience in most of the firm's practice areas, involving appearances in state and federal courts across the country at both the trial and appellate levels.

Mr. Matt’s notable securities cases include In Re Charles Schwab Securities Litigation ($235 million settlement), In re Oppenheimer Champion Income Fund Securities Fraud Class Actions ($52.5 million proposed settlement), Oppenheimer Core Bond Fund Class Action Litigation ($47.5 million proposed settlement), Morrison Knudsen and Costco Wholesale Corp. cases. Mr. Matt has worked on Hagens Berman’s cases involving complex financial instruments such as collateralized debt obligations, mortgage-backed securities and swaps.

Mr. Matt is also a key member of the firm's pharmaceutical litigation team that confronts unfair and deceptive pricing and marketing practices in the drug and dietary supplement industries. Mr. Matt's cases in this field include the Average Wholesale Price Litigation, the First Databank/McKesson Pricing Fraud Litigation and the Enzyte Litigation.

Other notable cases include In re Checking Account Overdraft Cases pending against many of the country’s largest banks; the Washington State Ferry Litigation, which resulted in one of the most favorable settlements in class litigation in the history of the State of Washington; the firm's California Electricity Fraud cases, including participation in the firm's representation of the Snohomish Public Utility District against numerous power generators and marketers alleged to have caused skyrocketing energy prices through fraudulent market gaming techniques; the Microsoft Consumer Antitrust cases; and State Attorney General Tobacco Litigation. In the latter, Mr. Matt assisted with client liaison responsibilities, working closely with assistant attorneys general in Oregon, Ohio, Arizona, Alaska, and New York, as well as assisting in briefing and arguing motions to dismiss.

Mr. Matt's publications include co-authoring the comment, 'Providing a Model Responsive to the Needs of Small Businesses at Formation: A Focus on Ex Ante Flexibility and Predictability' appearing in the Oregon Law Review.

Mr. Matt earned a Bachelor of Science degree in finance from Indiana University in 1988, graduating with Highest Distinction. An associate editor of the University of Oregon School of Law's Law Review, he graduated with his law degree in 1992, after earning membership in the prestigious Order of the Coif.



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