 In December 2010 , professional singer Matthew Smith , known as Matt Heart , sued Summit Entertainment in the case Smith v. Summit Entertainment LLC . Smith 's song " Eternal Knight " was posted on several websites accompanied by cover art which Summit claimed used its " Twilight " typeface mark . Smith won four of the seven causes of action , including his right to continue distribution of his copyrighted song , under the terms that he remove any reference to " Twilight " or the " Twilight Saga " . 
