(September 9, 2015, 1:28 PM EDT) -- PHOENIX — Two insurance companies that contend that their insured improperly assigned its policy rights to other insurance companies in an underlying lawsuit, on July 13 filed a brief in Arizona federal court contending that the court should grant them summary judgment because it is “undisputed” that the insured had a duty to cooperate with the insurance companies that issued the policies in question (Chartis Specialty Insurance Company n/k/a AIG Specialty Insurance Company, et al. v. Scott Homes Multifamily Inc., et al., No. 13-0601, D. Ariz.)....