MGM uses the sound of a lion's roar for its motion pictures. This sound is most likely to be protected by a _____.

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If the service of the company deals with communications, the service mark can be a sound. For example, AT&T uses a tone sound followed by a woman's voice speaking the company's name to identify its long distance service. MGM uses the sound of a lion's roar for its motion pictures.

MGM Uses the Sound of a Lion's Roar for Its