Bourne Screenwriter Been Confirmed To Direct Fourth Film

"Bourne Identity, Supremacy and Ultimatum" screenwriter, Tony Gilroy has officially signed onto direct the next "Bourne" film, "The Bourne Legacy".
Negotiations have began on trying to get Matt Damon, who played Bourne in the first three films, to return to the role. Damon did say previous, that he has no interest in coming back.
Word is still out that the fourth film is set to restart the franchise with a possible fresh new actor for the role of Jason Bourne, if Matt Damon does not return.

"The Bourne Legacy" is set for release in 2012.