It was an acrimonious split that led to Microsoft suing Lee and Google, contending his job would violate a non-compete agreement that prohibited him from doing similar work for a rival for one year.

• 李开复此番离职与微软闹得不可开交，导致微软将他和谷歌告上法庭，诉称其新工作违反了竞业禁止协议。根据该协议，他被禁止在一年内为竞争对手做类似工作。