(November 18, 2016, 9:47 AM EST) -- DENVER — The 10th Circuit U.S. Court of Appeals heard oral arguments on Nov. 14 from two insurers, one for an Oklahoma school district and one for a school leasing one of the district’s buildings, about whether the lessee’s insurer has standing to sue the district’s insurer and if it does, whether the loss due to a fire in the leased building should be shared on a pro rata basis by the two companies and how to calculate the percentage (Philadelphia Indemnity Insurance Company v. Lexington Insurance Company, Nos. 16-5008 and 16-5010, 10th Cir.)....