Ring Protection Expands Networking Campaign into Texas

  • November 16, 2018
  • Category: New Patent Litigation
    Market Sector: Networking

Ring Protection LLC has followed up the prior week’s complaints against Colt Internet, Coriant (Tellabs), Cox Enterprises (Cox Communications), and SoftBank (Sprint), with a new case filed against NEC (3:18-cv-03055). The NPE asserts in the campaign a single patent, generally related to fault protection in a bidirectional ring network, originally developed by Corrigent Systems (later renamed Orckit-Corrigent). The defendants’ network architectures are at issue; with respect to NEC, Ring Protection names the “SpectalWave U-Node”, which the complaint alleges supports Four-Fiber Synchronous Optical Network (SONET) Bidirectional Line Switched Ring (BLSR). The earlier complaints were filed in the District of Delaware; NEC has been sued in the Northern District of Texas.


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