Dupo is a village in St. Clair County, Illinois, United States. The population was 3,933 at the 2000 census. The village was settled in about 1750 and was incorporated in 1876. Its name is derived from Prairie du Pont.
What is class action litigation?
Class actions are lawsuits brought by a representative member(s) of a large group of persons on behalf of all the members of the group who have suffered identical or similar harm for which the same defendant may be liable -- such as a defective product class action against a manufacturer or an employment discrimination class action against a large company.