As One Monument NPE Litigates a Wireless Patent, Two Others Receive an OFDM Patent and a Family of “Airplane Mode” Patents from IV

  • December 13, 2016
  • Mobile Communications and Devices, Networking, Patent Watch

Preferential Networks IP, LLC has become the seventh subsidiary of Monument Patent Holdings, LLC to launch litigation in the last quarter of the year by filing suit against AT&T (AT&T Mobility, Cricket Wireless, New Cingular Wireless Services) (2:16-cv-01374), apparently asserting a single patent (8,577,994) generally related to managing bandwidth allocation. (The complaint erroneously identifies the number of the patent-in-suit as “8,732,994”, entitled “Dipper Door Retarding Mechanism”, which does not match the description of the patent throughout the rest of the complaint.) The NPE accuses AT&T of infringement through “network throttling” mechanisms (e.g. restricting delivery of data to a user based on prior usage) within AT&T Mobile Internet and Cricket Mobile Internet.


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