" I have story treatments of 7, 8, and 9, and a bunch of other movies and obviously we have hundreds of books and comics and everything you could possibly imagine. So I sort of moved that treasure trove of stories and various things to Kathy, and I have complete confidence that she’s gonna take them and make great movies.”

http://collider.com/star-wars-episode-7/

We don't know whether or not they will actually use the treatments or not, but I imagine Kennedy would want to at least respect GL and use them as a starting point.