dcas
First Post
Right, nor any other trademark. For example, you could not indicate compatibility with Microsoft Office.Moon-Lancer said:does this mean that I cannot say something to the effect of "dungeons and dragons 3.5"
Interestingly enough you generally can use trademarks to indicate compatibility. But because you use the OGL, you can't.
You can say "d20" as long as you abide by the terms of the D20 System Trademark License. One of these terms is that you say your product requires the use of the D&D Player's Handbook (or "Core Books"). You could indicate which version there, I believe.but I can say 'd20 3.5". My concern is that in some of the older d20 books