Arthur and Shirley Susman got divorced. The divorce judgment incorporated a marital settlement agreement, which reserved two subjects to be resolved later: (1) certain tax liabilities, and (2) allocation of certain personal property.
A few months later, Arthur asked the trial court to modify the judgment. He claimed there had been a mutual mistake of fact regarding a different tax liability. The trial court denied Arthur’s request.
Arthur appealed under Illinois Supreme Court Rule 301, which allows appeals from final judgments. But the First District Illinois Appellate Court ruled that it did not have jurisdiction to consider Arthur’s appeal. The appellate court ruled that Arthur’s appeal of the order denying his request to modify the judgment was not appealable because other questions had been reserved by the trial court. Here’s how the appellate court explained it: