After 16 years in litigation, neither plaintiffs nor defendants appear to be tiring of the federal trademark dispute between the Washington Redskins and Native Americans over the team’s name.

Since 2004, Drinker Biddle & Reath has represented Native Americans who claim the trademark does not deserve federal protection because it disparages an entire class of people. Since 1992, Quinn Emanuel Urquhart Oliver & Hedges has represented the Redskins.