But arguably, the most recognizable of them all is Metro-Goldwyn-Mayer’s (MGM) emblematic mascot “Leo the Lion” and his fearsome roar. If you’ve watched any MGM films since 2021 ...

The use of sounds as trademarks or service marks has been rare but is increasing. Examples include the NBC chimes (referred to by Justice Breyer in Qualitex), the MGM lion roar, and the distinctive ...