Utica Mutual Insurance v. 215 West 91st Street Corp.
Utica Mutual Insurance Company initiated a declaratory judgment action against Atlantic Mutual Insurance Company and 215 West 91st Street Corp. to determine Atlantic Mutual's obligation to defend and indemnify 215 West in underlying personal injury lawsuits. Utica Mutual had initially defended 215 West but later sought to recover costs from Atlantic Mutual. The Supreme Court denied the defendants' motion for summary judgment and granted Utica Mutual's cross-motion. On appeal, the higher court reversed the Supreme Court's order, finding that Utica Mutual was equitably estopped from denying coverage after assuming the defense without reserving its rights. Consequently, the complaint against Atlantic Mutual and 215 West was dismissed, and it was declared that Atlantic Mutual was not obligated to reimburse Utica Mutual for the defense costs.