On Fri, 22 Sep 2000, Brad Thompson wrote:
> When you derive from multiple OGC sources, you are only making derivative
> works of those specific sources. This is a one-way tree, and the law does
> not follow the branches of that tree to other works that derive from the
> same works that you did. Therefore, if you derive from the d20 SRD and use
> the plot "rescue the princess" as part of your PI, it has no bearing on my
> d20-derived work unless I also name your work in my COPYRIGHT NOTICE.
I agree your "chain of derivation" interpretation is not without basis.
I submit the "exclusive use of PI" interpretation is also a reasonable
reading of the OGL text and, in my opinion, is the natural interpretation
based on previous discussions of the clause.
If you accept that WotC trademarks which don't appear anywhere in the
SRD are intended to be protected then there is nothing requiring PI of
the plot variety to be in a chain of derivation to receive the same
protections.
Regards,
--Kal
-------------
For more information, please link to www.opengamingfoundation.org
