4 known cases. View patent page →
Genband asserted the '589 Patent, including claim 15, along with six other patents against Metaswitch. A jury found infringement and validity on January 15, 2016, awarding $8,168,400; the court denied a permanent injunction and entered final judgment on March 22, 2018. The case was closed April 10, 2018.
Federal Circuit appeal from the denial of a permanent injunction in the 2:14-cv-00033 action. The court vacated and remanded for reconsideration of the irreparable harm standard, expressly listing U.S. Patent No. 7,995,589 among the patents found infringed.
Metaswitch appealed the April 2018 final judgment in the 2:14-cv-00033 action, which included the '589 Patent. The record shows a joint notice of settlement and stay in 2019, and the district court entered a settlement/dismissal order on July 1, 2019; no Federal Circuit merits opinion was retrieved.
Sonus Networks sued Metaswitch Networks Ltd. and Metaswitch Networks Corp. in E.D. Tex., alleging continuing infringement of patents from the earlier 2:14-cv-00033 action and false advertising. The Stanford NPE Litigation Database lists this case as involving U.S. Patent No. 7,995,589. The parties settled and the court dismissed the case with prejudice on July 1, 2019.