(January 4, 2017, 1:25 PM EST) -- RICHMOND, Va. — Parties in an insurance dispute recently asked the Fourth Circuit U.S. Court of Appeals to determine whether third-party damage claims under an insurance policy arose out of a single occurrence or several occurrences based on Pennsylvania law’s required application of a “cause test,” which focuses on the alleged acts of the insured that led to the liability (Kathryn T. Hollis, et al. v. Lexington Insurance Co., et al., No. 16-1533, 4th Cir.)....