FILE - In this Aug. 28, 2009, file photo, the Washington Redskins logo is displayed at midfield before the start of a preseason NFL football game in Landover, Md. The team's nickname, which some consider a derogatory term for Native Americans, has faced a barrage of criticism. But a new Associated Press-GfK poll shows that nationally, âRedskinsâ still enjoys widespread support. (AP Photo/Nick Wass, File)

The United States Patent and Trademark Office has canceled six federal trademark registrations for the name of the Washington Redskins, ruling that the name is “disparaging to Native Americans” and thus cannot be trademarked under federal law that prohibits the protection of disparaging language.

