"The hurt locker" won the best Original screenplay Oscar. The film received its first award of the night in this category, beating out "Inglourious Basterds", a favorite to win the award. This film also won the Writer's guild Award, yet Quentin Tarantino was not nominated for this award as he is not part of the guild. Mark Boal thanked director Kathryn Bigelow and his father who "inspired him, and did not get to see this, he past out a month ago, but would have like this a lot".
Other nominees in this category included "Up", "The messenger", and "A serious man".
Other winners of the night include Christoph Waltz who won the best supporting actor for the film "Inglourious Basterds", "Up" who won best animated feature, and best song which was won by the song The Weary Kind from the song "Crazy Heart".