Microsoft struck back at Lucent late Monday, filing a countersuit in an attempt to have the company's patent infringement lawsuit dismissed. Additionally, it accused Lucent of violating several Microsoft patents.
Lucent claims video decoding technology within the Xbox 360 infringes on its patents. It said Microsoft had failed to license the next generation system, and filed suit in April.
In the countersuit, Microsoft claims that two patents from Lucent are not valid, as well as accusing the communications equipment company of infringing on the Redmond company's own patents. A spokesperson for Microsoft expressed disappointment that Lucent had chosen litigation over negotiations.
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