Arceneaux v Amstar Corp.Annotate this Case
The issue this case presented for the Louisiana Supreme Court's review was whether the duty to defend in long latency disease cases could be prorated between an insurer and its insured when occurrence-based policies provide coverage for only a portion of the time during which exposure occurred. In the underlying Arceneaux suit, plaintiffs alleged that they suffered hearing loss from exposure to unreasonably loud noise in the course of their work at American Sugar’s refinery in Arabi, Louisiana. Two sets of plaintiffs, the Barbe plaintiffs and the Waguespack plaintiffs, filed suit against American Sugar in 2006. These suits were consolidated with the Arceneaux action, which was filed in 1999 against American Sugar’s predecessor, Tate & Lyle North American Sugars, Inc. This opinion concerned only the Barbe and Waguespack plaintiffs, and not the Arceneaux plaintiffs whose claims had been litigated extensively in the trial court, the court of appeal, and the Louisiana Supreme Court. Continental Casualty Company argued that defense costs should have been prorated among insurers and the insured if there were periods of non-coverage. American Sugar Refining, Inc. claimed that the duty to defend as agreed upon in the policy provided for a complete defense so long as the duty to defend attached, even if some claims fell outside of coverage. The Supreme Court held that the duty to defend should have been prorated in this case based upon policy language.