Board Thread:News and Announcements/@comment-16461120-20160502015253/@comment-11220539-20160502050337

Copeinator123 wrote: Then it may fall under Fair Use due to the whole informing nature of concept art but I'm still fishy on it, Artful may be more help on discussing the finer points of the copyright law involved since he was very good in the original Fan Art Thread.

I had actually previously asked Mrkermit about concept art and he recommended Fair Use.

AnnabellRice wrote: If they're included in the media kits distributed during press releases or featured in the presentations announcing various series I believe they fall under "Promotional Material" and/or "Solicits".

I got them from here. I don't know if this qualifies as what you're talking about.