A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
The Borough of West Chester is the county seat of Chester County, Pennsylvania, United States. It is part of the Philadelphia–Camden–Wilmington metropolitan area. Valley Forge, the Brandywine Battlefield, Longwood Gardens, and other historical attractions are near West Chester. West Chester University of Pennsylvania is located in the borough.