Failed OpCo’s Patents Turn Up in Sycamore IP Campaign

  • March 9, 2015

Sycamore IP Holdings LLC recently began a litigation campaign, filing a total of eight cases since the end of February 2015. Half of those suits were filed in early March, naming Ericsson, Menara Networks, PacketLightTransmode Systems, Xena Networks, and Xtera. The entity’s first suits were against ABB, ADVA Optical Networking, Anritsu, and Hitachi, filed on February 20. The suits all assert a single patent that concerns encoding data for Ethernet over optical transport (6,952,405). Networking platforms made and/or sold by defendants are the accused products in the campaign. Andrew Spangler represents Sycamore IP in litigation.


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