William J. Arendt & Associates, P.C. is a full-service law firm, concentrating in family and business law matters. Conveniently located in Burr Ridge, Illinois, we serve clients in the Chicagoland area in the state courts, at all levels of the federal court system, including the United States District Court for the Northern District of Illinois, the United States Court of Appeals for the Seventh Circuit, and the United States Supreme Court, as well as in the Equal Employment Opportunity Commission and the Illinois Department of Human Rights.