This Simpson Thacher & Bartlett LLP memorandum discusses various court rulings including decisions addressing coverage for Chinese drywall claims; when an insurer may file an interlocutory appeal of a duty to defend decision; the disqualification of party-appointed arbitrators; the cooperation clause; an insurer's duty to indemnify Enron-related losses; whether a subcontractor's faulty construction may constitute an "occurrence"; the threshold requirements for a contribution claim; the reinstatement of a diminished value class action against an automobile insurer; and certain claims against sureties brought in the Court of International Trade.