STMicro Attaches Assertion Letter to DJ Complaint Filed Against Vantage Micro

  • December 7, 2019
  • Category: New Patent Litigation
    Market Sector: Semiconductors

STMicro (3:19-cv-02858), one of the defendants hit in early October 2019 in Vantage Micro LLC’s new litigation campaign, has filed a complaint seeking declaratory judgments of noninfringement of the same four patents—originally developed by either AMD or ATI Technologies (which AMD acquired in 2006)—asserted against it earlier. Vantage Micro sued nine defendants, three in the Eastern District of Texas and six in the Western District of Texas, STMicro in that latter group. STMicro’s new complaint—filed in the Northern District of Texas—alleges personal jurisdiction over Vantage Micro there based in part on a revealing assertion letter that STMicro attached for the court’s consideration.


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