That's a matter that's still open to some debate. My understanding is that DAZ has specifically created their "distributable" cr2's for use by clothing creators. These are in essentials stripped cr2's; they contain no morph channels, and none of the ERC tricks of the JCMs (or FBMs). My own feeling is that if there is a potential copyright violation, it lies in the joint parameters themselves, NOT in the method used to derive them. Therefor it matters not if you copy the cr2 in a text editor, borrow the bones via Poser's Setup Room, or laboriously re-create the joint params by opening every body part of V3 and hand-entering the same values into the conformer. After all, it is illegal to sell a copy of a CD -- it does not matter if you did a digital copy, transferred through tape, or stuck a mic in a neighbor's window while they listened to the album. The data would be the thing, not the method. I believe that DAZ does not view the creation of conforming clothing items as a violation of their copyright, at least at the current time. Since, indeed, it would be impossible to get an item of clothing to conform properly without it containing a copy of V3's joint centers, the lack of prosecution by DAZ of any conforming items for V3 seems to me to amount to a tacit agreement that this is to be permitted. What the official stance is, I am at present ignorant. In any case, this is a matter for the Copyright Forum, not here.