LEGO Harry Potter: Years 5-7 coming out Winter 2011? says: "Although there is not much information about this 
at the moment, users and fans suggest that Lego Harry Potter Years 5-7 
is currently estimated to come out between 2011 and 2012."

On one of's message boards, LEGO fans and Harry Potter fans
were quick to voice their thoughts on the possibility of a future
LEGO Harry Potter: Years 5-7 video game.

One fan said: "YAY! Its been confirmed! It should be coming out
in summer 2011 when the new sets come out!!!"

Another fan said: "I am guessing the videogame is supposed to come out
in the summer of 2012. That would be awesome getting to be harry again!"

A third fan said: "Yes they should, but there is too many deaths and scary stuff."
This may be true, that Harry Potter does deal with a lot of intense situations,
but LEGO does have a way of turning horrific scenes into silly nonsense.

In Harry Potter and the Sorcerer's Stone, book one in the series,
Lord Voldemort kills a unicorn to drink its blood, which makes him stronger.
In LEGO Harry Potter: Years 1-4, Voldemort tries to sneak up on the unicorn
with a fork in one hand, and a knife in the other, and the unicorn escapes unharmed.

LEGO Harry Potter: Years 5-7 WILL probably be released this year,
while there is still much interest in the Harry Potter movie series.

Final Answer: LEGO Harry Potter will probably come out for Winter 2011,
                          just in time for christmas shopping.