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.
Berwyn is a city in Cook County, Illinois, co-existent with Berwyn Township, which was formed in 1908 after breaking off from Cicero Township. As of the 2000 census, the city had a total population of 54,016.