( September 9, 2024, 12:24 PM EDT) -- SEATTLE — An insurer’s motion for leave to amend its complaint to add a declaratory judgment claim in a suit filed against another insurer and seeking contribution and indemnity from the other insurer for an insured’s environmental liabilities must be denied because the motion was filed almost 18 months after the imposed deadline for filing amended pleadings and the insurer failed to show good cause for the untimely filing of the motion, a Washington federal judge said Sept. 6....