(October 7, 2015, 8:54 AM EDT) -- BOSTON — Parties in an insurance dispute recently asked the First Circuit U.S. Court of Appeals to determine whether a federal district court erred in ruling that an insurer had a duty to defend or indemnify an insured in an underlying suit (Utica Mutual Insurance Co. v. Herbert H. Landy Insurance Agency Inc., et al., No. 15-1220, 1st Cir.)....