Mealey's (June 16, 2015, 4:12 PM EDT) -- ALEXANDRIA, Va. — The owners of the Washington Redskins professional football team on Feb. 23 filed a motion for summary judgment in a Virginia federal court in its challenge to the cancellation of six federal trademark registrations relating to the team, while the defendants on Feb. 26 filed a motion for partial summary judgment, saying that there was no error committed in the cancellation of the marks because the evidence shows the marks “may disparage” Native Americans (Pro-Football Inc. v. Amanda Blackhorse, et al., No. 14-1043, E.D. Va.)....