In a long-standing dispute between a window manufacturer and its insurer, the federal district court found that the insurer was obligated to pay defense costs from the date of installation of the alleged faulty windows even though the underlying complaints did not allege when the damage occurred. Pella Corp. v. Liberty Mut. Ins. Co., No. 4:11-cv-00273 (S.D. Iowa Jan. 16, 2018). The case is here.