WorthPlaying writes: "Warner Bros. decided to push the movie release from late 2008 to July 2009, so we asked EA about whether the game would also suffer a delay. Various sources claimed they were surprised by the news, while the producer said the announcement came at an inopportune time, indicating the game would also have to be pushed due to overlapping story lines outside of the already-released book."
Updates:
From an EA Spokesperson - "We are making a great game that Harry Potter fans will really enjoy, we are evaluating the impact of the movie date change."