(September 2, 2020, 1:13 PM EDT) -- PORTLAND, Ore. — Allstate Insurance Co. filed a declaratory judgment complaint on Aug. 31 in an Oregon federal court regarding its duty to defend and indemnify against homeowners' allegations of improper construction and remodeling for a single-family residence that caused damages of $456,000 (Allstate Insurance Company v. Ni Xu, et al., No. 20-1488, D. Ore.)....