Employers Insurance of Wausau v. Titan International, Inc. And Dyneer Corporation

POSNER, Circuit Judge.

The appeal in this diversity suit presents issues of appellate jurisdiction and Illinois contract law in the setting of a dispute over insurance coverage. Wausau had issued a number of workers’ compensation, auto liability, and general liability policies covering the defendants. The policies contained provisions for adjusting the premiums retrospectively (“retros”) if the loss experience differed substantially from what the parties had expected when the policies were negotiated; such provisions are common, e.g., Casualty Ins. Co. v. Hill Mechanical Group, 323 Ill.App.3d…