Photograph of Karen A. Rosenthal

Karen A. Rosenthal


Karen A. Rosenthal is a counsel in the firm's Mass Tort, Product, and Consumer Litigation Group. Resident in the D.C. office, she joined the firm in 1997.

Karen's practice involves services to a multinational corporation as national counsel for the company's premises liability litigation and work on cases for an international medical device manufacturer in product liability litigation. She has managed cases in multiple jurisdictions in both state and federal court and has served on trial teams for several trials. Her responsibilities include working extensively with corporate, fact, and expert witnesses to prepare them for trial, drafting significant motions and pleadings, managing discovery, and ensuring trial readiness across jurisdictions. She has also handled products liability claims and served as national counsel for silica products cases. In addition, she has been actively engaged in the firm’s pro bono program, assisting clients in a variety of areas with a focus on immigration cases.

Prior to joining Crowell & Moring, Karen handled complex insurance coverage litigation for several major U.S. insurers and also provided counseling on various reinsurance matters.

During law school, Karen served as an executive editor of the Virginia Environmental Law Review.


  • University of Virginia School of Law
  • James Madison University, magna cum laude


Admitted to practice: District of Columbia, Virginia

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Litigation & Trial

Mass Tort, Product, and Consumer Litigation

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