Miley Cyrus recently tweeted that Charlie Sheen taught her a lot about "winning." The teen star could also learn a few things about trademark laws from the troubled actor.

Sheen's rep confirms to CNN that the former "Two and a Half Men" star is looking to trademark 22 of the catchphrases he has made famous during his recent rants.

Besides "Duh, Winning," Sheen has also registered such gems as "Vatican Assassin,” “Tiger Blood,” “Rock Star From Mars,” and “I’m Not Bi-Polar, I’m Bi-Winning,” reports Entertainment Weekly.

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