In another round of litigation involving coverage issues between Montrose Chemical Corporation and its insurers, the California Supreme Court ruled in favor of Montrose, adopting vertical exhaustion of excess policies. Montrose Chem. Corp. of Calif. v. The Superior Court of Los Angeles County, 9 Ca. 5th 215 (2020).

    In 1990

    One insurer, who accepted the tender of defense in a construction defect case, successfully moved for summary judgment against the second insurer, who denied the insured's tender. Interstate Fire & Cas. v. Aspen Ins. UK Ltd., 2019 N.Y. Misc. LEXIS 5800 (N.Y. Sup. Ct. Oct. 25,2019).

    Standard Waterproofing Corporation was