The Louisiana Fourth Circuit Court of Appeal held that an insurer must provide a complete defense to its insured in long-latency disease cases and that the duty to defend is not subject to proration.  See Arceneaux v. Amstar Corp., 2014-0271 (La. App. 4 Cir. 2/25/15), 2015 WL 798980.

In Arceneaux, American Sugar sued…