Unix(tm) is a trademark...

[Henry Spencer]

> 	Seriously though, I wonder why AT&T never registered the trademark;
> I would think that if AT&T was really serious about usage enforcement, they
> would have made the effort at registration.

I believe they ran afoul of problems with UNIX already being an (obscure)
trademark for one or two other things.  Registration has stronger uniqueness
requirements than just using it as a trademark.
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry