The United States Patent Office has canceled the Washington Redskins' trademark registration and it calls the team's name "disparaging to Native Americans."
The ruling does not mean that the Redskins have to change the name of the team but it will limit the NFL's and the team's ability to make money off merchandising.
A similar ruling was made in 1992 but the decision was later reversed.
The team is likely to make the same appeal this time.
The case was filed on behalf of five Native Americans
Their lead lawyer calls the decision a victory that was a long time coming.
If the ruling is upheld this time the team can still call themselves the Redskins.
Without the trademarks anyone can use the redskins name to sell merchandise.
The ruling essentially puts pressure on team owner Dan Snyder to change the name.
Redskins officials are expected to respond to the ruling on Wednesday.
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