Uniloc USA is also suing Activision, Quark, others as follow-up to a similar suit filed against Microsoft over software activation tech.
The target of a patent infringement lawsuit, the cloud service provider goes on the offensive with a countersuit against the patent assertion entity.
A federal jury has found that the product activation method used in some versions of Windows and Office infringes on a Uniloc patent.
A district court vacates an April ruling that would have had Microsoft being forced to pay $388 million in a patent infringement case.
A jury rules that an XML tagging feature in recent versions of Word infringed on a patent from a Toronto-based company.