If successful, it would mean Microsoft and Activision Blizzard can't complete the acquisition while the FTC's review of the transaction's compliance with U.S. This week's trial will see the FTC attempt to impose a preliminary injunction on Microsoft and Activision Blizzard. Last week, a federal court in California issued a temporary restraining order requested by the FTC that basically blocks Microsoft and Activision Blizzard's deal for the time being. The legal battle between Microsoft and the FTC began last December, when the agency announced its plans to block Microsoft's enormous $68.7 billion purchase.