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Another “Stone” Themed NPE Launches Litigation

January 21, 2022

Marble VOIP Partners LLC has filed its first litigation, suing Microsoft (6:22-cv-00076) in a new Western District of Texas complaint over a single patent generally related to using the Session Initiation Protocol (SIP) to enable VoIP in applications. Targeting the provision of its communication platforms, including Microsoft Teams and Skype for Business, the Texas NPE is associated with a set of figures familiar to patent monetization.


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