A spokeswoman for BBC Films confirmed that "a script is in development," the BBC reported in a story about David Tennant's upcoming guest appearance as the Time Lord in the Doctor Who spinoff series The Sarah Jane Adventures.L-Lawliet said:There are rumours about a Dr Who film (starring David Tennant) being announced soon, or maybe it's been announced and I'm being stupid. Either way it would be interesting to see what they do about it.
http://scifiwire.com/2009/05/a-doctor-who-movies-is-in.php
The news came out before DT died so I doubt it.