United Nuclear Corp. v. Allstate Ins. Co.

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This appeal concerned the construction of a single word, "sudden," within a pollution exclusion clause in a series of liability insurance policies barring coverage for certain damages unless the events causing those damages were "sudden and accidental" (an issue of first impression in New Mexico). Concluding that "sudden" lacks a single clear meaning, the Supreme Court reversed the Court of Appeals' holding that the word unambiguously signifies "quick, abrupt, or a temporarily short period of time. . . .Under well-established principles of insurance law," the Court construed this ambiguity in favor of the insured, Petitioner United Nuclear Corporation, and interpreted the term "sudden" in the insurance policies at issue in this dispute to mean "unexpected." the case was remanded to the district court for further proceedings. View "United Nuclear Corp. v. Allstate Ins. Co." on Justia Law