This is an insurance dispute about whether Defendants owed coverage to Plaintiff for an underlying toxic tort action. Defendant transacts the business of insurance in the Commonwealth of.Pennsylvania and within Allegheny County. Roth's declaratory judgment action is dismissed without prejudice to the parties' right to fully litigate these matters in the state court. On. June 27, 2011, Erie filed a declaratory judgment action in the Allegheny. County Court of Common Pleas. Before the court is the plaintiff Scottsdale Insurance Co.'s. ("Scottsdale") motion for summary judgment, together with a memorandum of law in support. A court's first step in a declaratory judgment action concerning insurance coverage is to determine the scope of the policy's coverage. Lucker Manufacturing v.