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Federal Court Rules Umbrella Insurer Must “Drop Down” to Defend Diocese in Sexual Abuse Litigation

On June 1, 2026, the U.S. District Court for the Central District of California issued a landmark ruling recognizing an umbrella insurer drop-down defense obligation in Westchester Fire Insurance Company v. The Roman Catholic Bishop of Orange, Case No. 8:24-cv-01539-MRA-ADS. The court granted partial summary judgment in favor of the Roman Catholic Bishop of Orange (“RCBO”), holding that its umbrella insurer owed a primary duty to defend more than two hundred sexual abuse lawsuits brought under the California Child Victims Act (“CCVA”).

umbrella insurer drop-down defense

The Dispute

Westchester Fire Insurance Company (“Westchester”), as successor to Industrial Underwriters Insurance Company, issued umbrella policies to RCBO for consecutive periods spanning from 1981 to 1984. RCBO’s primary insurer, Centennial Insurance Company, has been liquidated and is no longer providing defense or indemnity for the CCVA Actions. Westchester argued it had no duty to defend or indemnify RCBO unless and until the per-occurrence limit established by the now-insolvent primary policies was satisfied. RCBO countered that the “Defense Settlement” provision in the Umbrella Policies independently obligates Westchester to drop down and defend.

The Court's Analysis

The central question was whether the phrase “occurrence not covered” in the Defense Settlement provision refers to indemnity coverage or defense coverage under the underlying Centennial policies. The distinction matters because the duty to defend is broader than the duty to indemnify and may exist even where coverage is in doubt.

The court concluded that “occurrence not covered” refers to indemnity coverage, not defense coverage. Judge Almadani reasoned that under California law, “coverage” refers to the scope of insurance—the types of injuries and claims actually indemnified—rather than the broader universe of claims for which a defense duty may arise. The court further held that any ambiguity in the term must be resolved in favor of the insured.

The court then found that the CCVA Actions allege occurrences falling within the Umbrella Policies’ broader definitions—including “shock, mental anguish and mental injury” and “invasion of the rights of privacy”—but outside the Centennial policies’ narrower coverage for “accidents” causing “bodily injury”. This coverage gap triggered Westchester’s obligation to drop down as a primary insurer.

Key Takeaway

This decision reinforces that umbrella insurers may be obligated to provide primary defense coverage where the underlying policies’ indemnity scope is narrower than the umbrella’s, even when the primary insurer would have owed a duty to defend under the broader “potential for coverage” standard. Policyholders facing insolvency of a primary carrier should carefully examine their umbrella policies’ drop-down provisions for independent defense obligations. Do not assume primary insurer insolvency relieves the umbrella carrier.

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To discuss your specific insurance coverage issue, please contact Jacob M. Mihm. You can also learn more about him by visiting his LinkedIn profile.

 Disclaimer: This article is provided for informational purposes only and does not constitute legal advice. Polales Horton & Leonardi LLP is experienced in handling complex insurance coverage matters on behalf of policyholders across the United States.