Didn't they also get 'more' money to continue the research? If so, when are they going to give it back? In another article I read on this it stated to the effect, "It's not customary for universities to return such funds."
I also found this quote interesting... “As a matter of fact, I think the team came up with more novel ideas during the past four months than the past four years I have been at Iowa State University,” Cho wrote.
Translation: "Han's work got us the money, but we weren't counting on him to bring us a win."