In late 2017, in a move favoring policyholders, the Missouri Court of Appeals for the Eastern District applied the “all-sums” approach to allocating and exhausting insurance coverage for a continuous asbestos harm in Nooter Corp. v. Allianz Underwriters Ins. Co., 536 S.W.3d 251 (Mo. App. 2017). Although Nooter has sparked significant chatter in the
In 2017, the Missouri Supreme Court handed down its Doe Run decision, where it interpreted, as a matter of first impression, an insurance policy’s so-called “absolute pollution exclusion,” holding that it barred coverage for environmental-degradation claims arising from the release of toxic industrial byproducts. We believe this policyholder-adverse decision is limited by its facts and reasoning, and thus policyholders can still invoke the earlier and more favorable Hocker Oil and Wyatt decisions when seeking insurance coverage in other contexts.