Commercial Union v. City of Chicago

This appeal involves the liability of defendant, the City of Chicago (City), for damages sustained by various business and building owners as well as individuals as the result of what has been called “the Great Chicago Flood.” The plaintiffs-appellants are Commercial Union Assurance Company and other insurers of Great Lakes Dredge & Dock Co. (collectively Commercial Union), which assert claims as assignees, certain plaintiffs who suffered property damage (class plaintiffs), and Mary Sims, who suffered personal injuries.

Pursuant to a series of motions, the trial court determined that…