Sent: Sunday, April 11, 2004 2:40 PM


Why does it matter about derivative works?  If you have a value added portion and can clearly separate what you have added from what came before you, then you have identified material you have contributed and over which you may be able to declare copyright if its copyrightable.

Lee


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Derivative works matters in this case if the OGL has a requirement that forces you to make *all* of your derivative works (from other OGC) into OGC.
 
If someone can establish that the OGL says this then they can force a publisher to open up anything that a judge decides *is* derivative of the SRD or any other OGC document in the section 15 listing of a disputed publication. The copyright holder would not loose their right to own the copyright of the document, but they would loose their right to be able to not define derivative work as Open Game Content if they wanted to use the OGL [1]. If the people that share this opinion are correct publishing derivate material and not declaring it as OGC (even PIing the names if they are similar to existing ones that you base your work on) might be illegal under the terms of the licence.[2]
 
So what othaherzog was talking about comes back to "Does the OGL have some power over derivative works"? There is a definition "Derivative Material" in the OGL section 1 (b) which states that it means: "copyrighted material including derivative works and translations (including into other computer languages), potation, modification, correction, addition, extension, upgrade, improvement, compilation, abridgment or other form in which an existing work my be recast, transformed or adapted"
 
So in that context derivative works are controlled by the OGL in some way where as copyright is not. Derivative works is also mentioned in the definition of Open Game Content but from my reading of this it doesn't seem to imply that something that is a derivative work of a product that is not OGC is turned into Open Game Content. It doesn't seem to rule on it one way or the other. Although most people here that express an opinion, seem to believe that derivative work based on OGC must by law become OGC itself. I wonder if they have the same opinion about "Derivative Material" that they have about "derivative works". As the upper case definition covers extensions and additions it would make *any* new rule OGC if you could convince a judge that the OGL was written with that interpretation in mind.
 
David Shepheard
 
[1] I think that a court might be able force a rewrite of the Open Game Content definition of an individual licence to allow people to treat disputed "derivative works" as Open Game Content (as long as they put a OGL in the back of *their* publications etc etc). This of course is assuming that the hypothetical publication with "derivative works" didn't cause it's publisher to loose the right to "Use" the OGL and be forced to pulp every OGL product they own. The termination clause of the licence doesn't say anything about that, however it does say that sublicenses survive.
 
Perhaps this part of the licence could be used as a counter-claim by anyone who was taken to court after using "crippled content" (and not correctly extracting PI terms claimed by the person taking them to court). If they could establish to a judge that these were derivative works (of OGC works mentioned in the section 15 of the product) then perhaps they could pull the rug out from the people that had started the first court case. However, that is another discussion entirely! ;-)
 
[2] What I mean by this is that if I write an Open Game Content spell called "Create Ice Cream" and you use my use my OGC in your book and add a new spell called "Improved Create Ice Cream" the derivative work principle (if it is correct) would prevent you from defining "Improved Create Ice Cream" as PI because I have already defined my term as OGC and you *can not* base PI on OGC.
 
Having said that. I'd like someone who has this belief to "join the dots" for me here as I don't even understand how the OGL keeps OGC as OGC after multiple uses (unless that is implied from standard copyright law and/or the trail back to the original copy of the OGL that was attached to the OGC).
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