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.
Jefferson is a city in Jefferson County, Wisconsin, and is its county seat. It is located at the confluence of the Rock and Crawfish Rivers. The population was 7,338 at the 2000 census. The city is located partially within the Town of Jefferson.