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.
Portland is a city in Ionia County of the U.S. state of Michigan. As of the 2000 census, the city population was 3,789. The city is situated in the south central portion of Portland Township, but is administratively autonomous.