This means that SCO's case against IBM, which is based all on the assumption that SCO owns all the code within IBM's AIX does not rest on solid grounds at all.
That's one of the things I've always wondered. If history has been that no one owning the ownership had claim over code, how could SCO make this claim? I don't think SCO is on solid ground if previous owners -- Novell, AT&T, etc. -- didn't make the same claims.