Viola Vetter


Viola Vetter is a principal at Grant & Eisenhofer where she focuses on sovereign and public entity representation, primarily in matters seeking to redress environmental contamination.  Ms. Vetter currently represents several state Attorneys General and municipalities in environmental litigation.  In that role, she is prosecuting claims against Monsanto Co. arising out of that company’s production, marketing, and sale of toxic PCBs, which now contaminate natural resources and municipal stormwater systems throughout the nation, and against 3M Co. and other manufacturers of toxic firefighting foam laced with toxic PFAS chemicals, which now contaminate groundwater, drinking water, and other public resources.  Ms. Vetter also represents investors in corporate governance and securities litigation, including in cross-border disputes.

Prior to joining Grant & Eisenhofer, Ms. Vetter was an associate at an international law firm, resident in Philadelphia, representing corporate clients in complex commercial, consumer and qui tam matters in state and federal courts.

Ms. Vetter earned her J.D. from Temple University Beasley School of Law in 2007, where she was a member of the Temple Political & Civil Rights Law Review. She received her B.S. in International Business and Political Philosophy, magna cum laude, from Elizabethtown College in 2004.

Ms. Vetter was selected to the 2015-2016 Pennsylvania Super Lawyers Rising Stars list for Business Litigation. She is fluent in English and German.


  • Temple University Beasley School of Law, J.D.
  • Elizabethtown College, B.S., magna cum laude


  • Delaware
  • New York
  • Pennsylvania
  • U.S. Court of Appeals for the 3rd Circuit
  • U.S. Court of Appeals for the 6th Circuit
  • U.S. District Court for the District of DE
  • U.S. District Court for the Southern District of NY
  • U.S. District Court for the Eastern District of PA
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