Microsoft's Xbox Live Marketplace get's lawsuit

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French telecommunications company Alcatel has filed a lawsuit against Microsoft for patent infringement. Seven patents are at issue in the complaint, which are listed below:

• 6,339,830 and 6,874,090, "Deterministic User Authentication Service for Communication Network"
• 6,661,799, "Method And Apparatus for Facilitating Peer-to-Peer Application Communication"
• 6,823,390, "Method Of Setting Up Data Communication With A Communication Means And Furthermore Program Modules And Means Therefor"
• 6,112,226, "Method And Apparatus For Concurrently Encoding And Tagging Digital Information For Allowing Non-Sequential Access During Playback"
• 5,864,682 and 5,659,539, "Method and Apparatus for Frame Accurate Access of Digital Audio-Visual Information."

The patents outline methods in processing digital video, communications software and online authentication – all of which seem quite relevant to the just launched Xbox Live Video Marketplace.