On January 13, The prosecution rests its case and the defense begins. A month later (February 26) Microsoft rests its defense. There's a long delay due in part to Judge Jackson being called on to preside over an unrelated case.
The trial resumes on June 1. Closing arguments by both sides are presented on September 21. Early the next month, Judge Jackson issues his "finding of fact" on the case. He also appoints Judge Richard Posner as official mediator - with the task of reaching a settlement both sides can accept.