According to the Associated Press,
The seventh movie, with a working title of "Episode 7," is set for release in 2015. Episodes 8 and 9 will follow. The trilogy will continue the story of Luke Skywalker, Han Solo and Princess Leia beyond "Return of the Jedi".
http://www.google.com/hostednews/ap/article/ALeqM5isZzQ0Rv9bEkLNtP9TjI8lGu1h9A?docId=9ad81ca01a9e4246b0e719fb4e3a3b18