Generally, the existence of an assignment authority does encourage
its (proper) use - mostly for the reason you state above. Just as
"nobody will want to accept an official registration polluted by
prior use", "nobody" (deliberately in quotes) will want to attempt
to establish an unofficial registration using the approach you've
described. Doing so is - at the very least - going to adversely
affect popularity and is very likely to result in interference and
potentially even litigation.
"litigation"?
Do we have prior art that this is a likely result?
Spencer, honestly confused (for once)...
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