One insurer could not escape equitable subrogation on the basis of its "other insurance" provision on the theory that the second insurer was responsible for all of the co-insured's defense costs. Underwriters of Interest v. ProBuilders Spec. Ins. Co., 2015 Cal. Ct. App. LEXIS 936 (Cal. Ct. App. Oct. 23, 2015).
Underwriters issued