is suing Microsoft
over patent issues concerning the Xbox 360
. The patent concerned is 5,227,878, "Adaptive Coding and Decoding of Frames and Fields of Video", which was issued to Lucent on July 13th 1993. Lucent claims that Microsoft has infringed this patent by releasing the Xbox 360 console, as it includes MPEG2 tech that Lucent claims is in breach of the Lucent patent.