A concert by by Bobby Blotzer’s version of RATT was canceled last night at just hours before showtime after a Michigan venue received a cease-and-desist letter from the drummer’s former bandmates. Blotzer is embroiled in a legal a dispute over the group’s name with singer Stephen Pearcy, guitarist Warren DeMartini and bassist Juan Croucier.

The Soaring Eagle Casino & Resort in Mt. Pleasant explained the show cancelation in a Facebook post, saying that they were “recently notified of a trademark dispute involving the band RATT. Soaring Eagle Casino & Resort was issued a ‘cease-and-desist’ letter from the parties claiming rights to the RATT trademark. After careful review, Soaring Eagle Casino & Resort has concluded that it cannot proceed with the performance of Mr. Blotzer due to the current legal dispute over the RATT band trademark.