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DuPont Imprelis Herbicide
- Issue: Suspected death of trees
Imprelis Lawn Chemical and Tree Deaths
Imprelis was the brand name of a herbicide sold by DuPont Professional Products, a division of DuPont De Nemours & Company. DuPont marketed Imprelis as an environmentally friendly alternative to the commonly used 2,4-D herbicide. Just weeks after Imprelis' introduction to the market in late 2010, however, complaints of tree damage began to surface. Property owners reported curling needles, severe browning, and dieback in trees near turf that had been treated with Imprelis. Affected trees included the evergreens Norway Spruce, White Pine, and Balsam Fir.
In August 2011, the U.S. Environmental Protection Agency banned the sale of Imprelis.
Imprelis Lawsuits
On July 18, 2011, a Pennsylvania homeowner and an Indiana golf course company represented by Lieff Cabraser and co-counsel filed a nationwide class action lawsuit against DuPont charging that its herbicide Imprelis caused widespread death among trees and other non-targeted vegetation across the country.
All of the Imprelis lawsuits filed in federal court were transferred to the United States District Court for the Eastern District of Pennsylvania, located in Philadelphia, and assigned to Judge Gene E.K. Pratter for pretrial proceedings. The cases are referred to as: In re Imprelis® Herbicide Marketing, Sales Practices and Products Liability Litigation, Case No. 11-md-2284 (E.D. Pa.). The Court has granted preliminary approval to a settlement of the case.
Trademark Notice
Imprelis is a registered trademark of DuPont De Nemours & Company and used solely for product identification and informational purposes. Lieff Cabraser is in no way affiliated with DuPont.