UNIX® Trademark Usage
Some trademark attributions still say Novell (or even AT&T or Bell Labs), which is correct?
UNIX® is a registered trademark of The Open Group.
The correct attribution is:
Some licenses (which date from before the merger of X/Open Company with The Open Group) still require the following attribution:
All licenses will be updated in due course; in the meantime, The Open Group is happy for either attribution to be used. Any other attribution is incorrect.
The Trademark Usage Guide is available in postscript or PDF formats. (PDF viewers for 18 platforms are available here). This guide describes the rules for use of X/Open Company trademarks. It is designed to be a practical guide. Of itself, this guide does not grant permission to use any trademark.
Motif, OSF/1, and UNIX are registered trademarks and IT DialTone, the X device and The Open Group are trademarks of The Open Group.