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BTW, you aren't stating facts. You were wrong about HD's trademark and
assuming all HD owners think alike. Don't confuse your opinion with
facts. Facts = truth. You stated nothing of the sort. I'm beginning to
see the problem with you.

You are correct that Harley failed to trademark their potato-potato-potato
sound, but only because it's really hard to tradmark a sound.

There's nothing in the Lanham Act that precludes trademarking a sound mind
you, and certainly MGM, THX, Nissan, NBC, T-Mobile, 20th Century Fox,
Duracell, Samsung, Harlem Globetrotters, McDonalds, Sony, Lucasfilms,
Intel, Nokia, and AAMCO have all successfully trademarked sounds.

But, I agree, Harley, as you noted, tried vehemently for six years
straight, and finally gave up, as their case was too weak from the start.