NM High Court Reverses Allstate Win In Enviro Coverage Suit

Law360, New York (August 28, 2012, 1:41 PM EDT) -- The New Mexico Supreme Court on Thursday overturned an Allstate Insurance Co. victory in a dispute with United Nuclear Corp. over coverage of a 1979 uranium mine breach, concluding that the term "sudden" does not have a single clear meaning.

Taking on an issue of first impression in New Mexico regarding a pollution exclusion clause that barred insurance coverage unless the events were "sudden and accidental," the high court found that a state appeals court incorrectly held that the word "sudden" is unambiguous and "signifies quick,...
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