Michael Buffer Rumbles with Radio Station

Boxing announcer Michael Buffer owns the phrase "Let's get ready to rumble" and he'll sue you for copyright and trademark infringement if you use it for commercial purposes without his permission. Buffer has licensed his catchphrase to the tune of $400 million over the past five years. A Texas radio station found out the hard way what happens when you use Buffer's phrase without clearing it first:

Ring Announcer Wins El Paso 'Rumble'