As much as we can talk about HDMI here, as it's a name in the public domain, wouldn't someone else be able to use that kind of speech to make a "HDMI-compatible" implementation? "IBM compatible" seemed to be a designation, in the day, that didn't run up against legal trouble?
Maybe that's what you already meant by "calling it different than".
Maybe that's what you already meant by "calling it different than".