Marissa C. Krumm - McDermott Will & Emery


Marissa C. Krumm focuses her practice on mass tort, complex commercial litigation and product liability defense. She represents clients in the health care, chemical and manufacturing industries in commercial disputes, product liability matters and class actions.


  • Defends major companies in mass tort litigation involving products liability claims and alleged environmental pollution
  • Defends major agricultural company against personal injury claims related to alleged chemical exposures
  • Won defense verdicts on behalf of chemical manufacturer in high-stakes trials that turned on the alleged health risks of the plaintiffs’ exposure to polychlorinated biphenyls (PCBs) in the environment
  • Defended health insurance provider in putative class action alleging violations of the Telephone Consumer Protection Act
  • Defended hospital system in qui tam whistleblower litigation involving the federal False Claims Act, Anti-Kickback Statute and Stark Law

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  • Selected to the Florida Rising Stars List in 2017, 2018, and 2019, a distinction given to only 2.5 percent of attorneys in Florida
  • Recipient of the Firm’s 2016 Pro Bono and Volunteer Service Award
  • Selected to the Southern California Rising Stars List in 2020 and 2021, a distinction given to only 2.5 percent of attorneys in Southern California


  • Lawyers for Children, pro bono legal counsel
  • National Association of Women Lawyers


University of Florida Levin College of Law, JD, cum laude, 2012
New College of Florida, BA, 2007

District of Columbia

Courts / Agencies
District of Columbia Court of Appeals
US District Court for the Central District of California
US District Court for the Southern District of Florida