Taco John abandons Taco Tuesday TM
Restaurant chain Taco John’s said it is giving up its fight defending its trademark of the phrase.
情報源: Taco John’s, Taco Bell Terminate ‘Taco Tuesday’ Trademark Tussle – WSJ
Taco John’s Surrenders Trademark for ‘Taco Tuesday’, 1:32 
Taco John's Surrenders Trademark for ‘Taco Tuesday’
商標登録insideNews: Taco Bell is fighting to cancel the ‘Taco Tuesday’ trademark | CNN Business