(December 31, 2015, 1:59 PM EST) -- DENVER — The 10th U.S. Circuit Court of Appeals on Dec. 23 affirmed a summary judgment ruling in favor of an off-road vehicle manufacturer in a suit brought by the family of a man who died in an off-roading accident after finding the trial court did not err by not allowing the family to amend their complaint or granting time for additional discovery (Justin Birch, et al. v. Polaris Industries, No. 15-4066, 10th Cir.; 2015 U.S. App. LEXIS 22583)....