The Utah Supreme Court determined the "other insurance" provisions of successive policies were inapplicable and instead adopted the time-on-the-risk method of allocation for defense costs in The Ohio Casualty Ins. Co. v. Unigard Ins. Co., 2012 Utah LEXIS 1 (Utah Jan. 06, 2012).
Ohio Casualty insured Cloud Nine from June 10, 2001 to June 10