On October 6, 2006, the Illinois Appellate Court, Third District, affirmed the decision of the Circuit Court of Will County, held that implied warranties had been disclaimed throughout the course of dealings between a window manufacturer and one of its parts suppliers, and granted the defendant parts supplier's motion to dismiss. 

On November 21, 2001, the Illinois Supreme Court reversed the appellate court's affirmation of a motion to dismiss brought by condominium unit sellers.

On October 19, 2001, the Appellate Court of Illinois, First District, reversed the Circuit Court of Cook County, which dismissed the plaintiff's complaint alleging consumer fraud and breach of the implied warranty of merchantability.

On May 20, 1999, the Illinois Supreme Court held that the appellate court properly affirmed the circuit court's dismissal of the plaintiff's claim that the implied warranty of habitability extended to a clubhouse in a residential development.