Things are getting a bit more interesting in the ongoing fight between Microsoft and Barnes & Noble. You'll remember that earlier this year, Microsoft began suing B&N for refusing to fork over Android-related fees from the Nook Color. Barnes & Noble has responded, alleging in its motion that Microsoft "is using its licensing practices to improperly broaden the scope of its patents in an attempt to dominate mobile operating systems such as Android that threaten Microsoft's monopoly in personal computer ("PC") operating systems."

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