Liberty Patents Widens First Litigation Campaign and Launches a Second

  • January 30, 2021
  • Category: New Patent Litigation
    Market Sectors: Consumer Electronics and PCs, Semiconductors

Liberty Patents LLC, an NPE with ties to several other litigating plaintiffs, has added new defendants to an ongoing litigation campaign, begun in September 2020, and kicked off a second campaign, both over patents from a portfolio of over 130 assets received from Intellectual Ventures LLC (IV). In its new campaign, the plaintiff asserts two patents, generally related to “minimizing a difference in delay between a plurality of output clock signals”, against Analog Devices (6:21-cv-00060), Lattice Semiconductor (6:21-cv-00061), and TI (6:21-cv-00062), each sued in the Western District of Texas. The defendants are accused of infringement through the provision of clock generators that feature “zero delay buffer (ZDB) technology”. In its older campaign, Liberty Patents has filed a single complaint against Microchip, NXP Semiconductors, Renesas, and STMicro (6:21-cv-00078), targeting the provision of various semiconductor products, including microcontrollers, that are certified by Platform Security Architecture. The defendants are accused of infringing a single patent generally related to automatically updating the system software of an “embedded system”.


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