Rockers Weezer are suing America's Miller Beer Company, claiming the beverage firm used the group's name in a series of print ads that ran in rock magazine Rolling Stone.
The suit, filed in Los Angeles also names Miller's advertising agency and the production company that laid out the ads as defendants.
Weezer insist they never gave permission to the ads, and bandmembers Rivers Cuomo, BRIAN BELL, SCOTT SHRINER and Patrick Wilson are also angry the ads feature endorsements of Miller by other bands with whom they "do not wish to be associated with in any advertisement".
Describing the ads as "grossly misleading and deceptive", Weezer insist they have been "damaged in an amount... believed to be in the millions of dollars".
Miller bosses have refused to comment.