Motorola tonight filed a lawsuit in retaliation for Microsoft's own lawsuit over Xbox 360 patent royalties. The new complaint alleges that Microsoft is violating 16 patents and is now targeting Windows and Microsoft's mobile platforms in addition to the Xbox-related H.264 video, Wi-Fi and password patents that prompted Microsoft's concerns. The Windows patent claims are the most direct and assert that the OS itself as well as Exchange, Outlook Windows Live Messenger and object-oriented code.
