Plastics Engineering Co. v. Liberty Mutual Insurance

¶ 1. This is a certification of questions of law from the United States Court of Appeals for the Seventh Circuit, pursuant to Wis. Stat. § 821.01 (2005-06).1 The questions certified for determination are: "(1) what constitutes an 'occurrence' in an insurance contract when exposure injuries are sustained by numerous individuals, at varying geographical locations, over many years; (2) whether Wisconsin Statute § 631.43(1) applies to successive insurance policies; and (3) whether Wisconsin courts would adopt an 'all sums' or pro rata allocation *561approach to determining liability when an injury…