Spectra Licensing Group L.L.C., the licensing agent for the “Turbo Code” patents issued to Orange (f/k/a France Telecom), has filed its first lawsuit, against Marvell (3:16-cv-00817). The complaint asserts a single patent (6,108,388) generally related to iterative signal processing against the defendant for the manufacture and sale of certain read channel DSP devices. The complaint further alleges indirect infringement of customers, i.e., hard disk drive manufacturers.