Plan 9 is an incomplete name. That company refers to themselves as PLAN9, which is not trademarked. "Plan 9 from Bell Labs" is the full name of the OS, and it is copyrighted. I don't know if "Plan 9 from Outer Space" is copyrighted.

On Feb 2, 2008, at 8:37 PM, [EMAIL PROTECTED] wrote:

Is "Plan 9" trademarked?
IANAL but there could be a problem

http://www.plan9software.com/

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