Those of you with Law backgrounds can you answer me this, because I am getting conflicting answers.
If there is an OGL v1 with SRD that has a class in it, does that mean you can use ANY version later published of that class?
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Amended add on to that qustion
How much of a change would the cleric (or any class) have to go through for a lawyer to argue "They are using the wrong license for this and as such are not subject to the protections of the old OGL?"
The OGL doesn't license
classes, or other D&D concepts.
It licenses
copyrighted works.
So if you want to publish a book that talks about clerics, the relevant questions are (i) does my book contain material in respect of which someone else (eg WotC) owns the copyright,
or that would in some other way infringe copyright that they enjoy? If it does, has that person licensed me to publish the material in spite of their copyright?
Looking at the cleric right now. The subclass levels have changed (along with a few tweeks here and there). Can you use the SRD with the 2014 cleric but publish it useing the 2024 cleric even if the 2024 cleric is NOT relased as open under that OGL but under a diffrent more restrictive one?
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I know 4e was a MUCH bigger change and people got away with it... but if WotC/Hasbro wanted to throw there weight around and hit someone with a C&D and if they didn't a full lawsuit (even if only 1 to scare others) how hard is it to argue in court?
If you were to reproduce the text found in a new WotC publication (say, an Unearthed Arcana document, or a new PHB, or a revised SRD) then the answer to the first question is probably
yes - as in, WotC probably enjoys copyright in the text you are trying to reproduce.
And as per
@S'mon's posts upthread (see from around post 241 to post 245), that text is probably not licensed under the existing OGL v 1.0a as that applies to the current (non-revised) SRD.
If you were to were produce new text, written by you, that conveys the same information as WotC's new text, then you would enjoy copyright in your new text. Would it nevertheless infringe WotC's copyright? That would depend on the details, some of which S'mon fleshes out in those posts - eg is your text derivative of some WotC text in respect of which you do not enjoy a licence?
My very rough intuition is that if you are publishing a
new cleric sub-class, invented by you, that happens to gain sub-class features as the same level as a cleric would as described in WotC's Unearthed Arcana, new PHB or revised SRD, then you are probably not infringing WotC's copyright. Whereas if you are trying to reproduce a cleric sub-class that WotC has published, using your own words, the argument that you are infringing their copyright becomes stronger.
Some people will reiterate that game mechanics can't be copyrighted. This is true. But WotC's text that talks about (eg) how a life cleric gest such-and-such an ability at such-and-such a level is, at least arguably, not just a game mechanic. It is also a text that tells us about the (imaginary) priests of the gods of life. WotC enjoys copyright in that text, and it is the relationship of your text to that text (and to other similar text that appears in WotC's Unearthed Arcana, new PHB or revised SRD) that is of most relevance to whether or not you are infringing WotC's copyright.
I want to reiterate that my intuition is very rough, and you could not confidently act on it without getting legal advice which was able to refer to the actual details of
your proposed publication and
the WotC publication that you are inspired by.