Trial court erred in granting summary judgment to insurer in its declaratory judgment action against its insured. An insured files a declaratory judgment action against their insurer and names an injured third party who shares citizenship with the insured.4. A court's first step in a declaratory judgment action concerning insurance coverage is to determine the scope of the policy's coverage. (Szarek) appeals the grant of summary judgment to defendant Maryland Casualty Company (Maryland) on its counterclaim for declaratory judgment. Seek a declaratory judgment in a timely manner. (rejecting National Union's argument that its request for a judicial determination after plaintiffs filed. 1935); rehearing denied, 300 U.S. 687 (1937). Plaintiff complaint advances claims under the Illinois Declaratory. Engaged in the insurance business with a principal place of business in Philadelphia,. Pennsylvania. We have some improvements in the works that we're excited for you to experience.