Matt Knowles focuses his practice on complex commercial litigation and government investigations. He represents clients in a broad range of civil and criminal proceedings at the trial and appellate levels in state and federal court.

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  • Defeated class certification and secured voluntary dismissal of all claims against a healthcare client in a case arising from one of the largest outbreaks of hepatitis C in the nation’s history. The matter began as an internal investigation and resulted in a favorable settlement for Matt’s client – by that point, the plaintiff in the case – on the eve of trial
  • Represented numerous hospitals, physicians’ groups, medical device manufacturers, and other healthcare entities in government investigations and litigation (at both the trial and appellate level) under the False Claims Act. This includes a recent False Claims Act appeal arising from allegations of medically unnecessary surgical procedures, in which Matt argued before the United States Court of Appeals for the Tenth Circuit
  • Successfully resolved all claims against a publicly traded bank that was sued under RICO for providing banking services to a medical marijuana dispensary. Matt was the lead author of the bank’s motion to dismiss. Although the Court allowed the plaintiffs to re-plead, they soon elected to end the litigation and withdraw all claims against the bank on a voluntary basis

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  • In addition to his legal practice, Matt is active in national and international organizations that govern the sport of sailing. He is the president of a class association, and serves on several international committees that develop and review the rules of the sport. He is also an avid competitor in the International Moth class, and has finished in the top half of the field at the 2012, 2013 and 2015 world championships


Harvard Law School, JD, cum laude, 2010
Harvard College, AB, cum laude, 2007


Courts / Agencies
US Supreme Court
US Court of Appeals for the Federal Circuit
US Court of Appeals for the First Circuit

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Matthew L. Knowles

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