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Marianne Kies is a senior associate in the firm’s Commercial Litigation Practice Group. She specializes in complex civil litigation, with a particular emphasis in mass tort litigation. Ms. Kies also maintains an active and diverse pro bono practice.

  • Represents the United States Olympic Committee in a series of cases in which former Olympic athletes contend that the USOC should be held liable for abuse by former USA Gymnastics physician, Dr. Larry Nassar.
  • Represented academic medical center in defense of federal antitrust claims alleging a no-poach agreement. 
  • Represented the largest U.S. military services contractor in complex multidistrict tort litigation in the District of Maryland. After 800+ plaintiffs filed suit in 42 states alleging injuries from exposure to burn pit emissions during the wars in Iraq and Afghanistan, obtained complete dismissal of all claims, which was affirmed on appeal. See In re KBR, Inc., Burn Pit Litig., 893 F.3d 241 (4th Cir. 2018). 
  • Represented Boehringer Ingelheim in Pradaxa products liability litigation in Connecticut state court.
  • Represented hospitals in litigation against health insurers for reimbursement of underpaid claims for emergency services.
  • Represented BP in civil litigation arising from the Deepwater Horizon incident in the Gulf of Mexico.

Pro Bono

  • Represents current and prospective service members in a lawsuit challenging the constitutionality of the Trump Administration's Transgender Service Member Ban. See Brock Stone, et al. v. Donald Trump, et al., No. 17-2459 (D. Md.).
  • Authored briefs filed in the U.S. Court of Appeals for the Sixth Circuit on behalf of a habeas petitioner alleging due process violations and ineffective assistance of counsel, and orally argued the appeal on December 7, 2016 before Judges Batchelder, Griffin, and Siler.
  • Co-authored briefs filed in the U.S. Court of Appeals for the Sixth Circuit on behalf of a habeas petitioner. The appeal, which concerned an issue of first impression, was granted on February 2, 2016. See Askew v. Bradshaw, --- F. App’x ---, 2016 WL 384829 (6th Cir. 2016).
  • As co-counsel with the Network for Victim Recovery of D.C. (“NVRDC”), successfully represented a survivor of sexual assault and stalking in her efforts to obtain a Civil Protection Order in D.C. Superior Court.