T-Mobile’s Sprint Hits Hurdle Over Damages in VoIP Patent Suit

T-Mobile US Inc.’s Sprint will have a tougher time making its damages case to a jury about alleged infringement by two units of Altice USA Inc. of patents for voice over IP systems, after a Delaware federal judge mostly sided with the defendants in two evidence rulings.

Judge Richard G. Andrews on Feb. 4 denied a request by Sprint to exclude from an upcoming trial part of an analysis of lost profits by a damages expert for Cequel Communications LLC and CSC Holdings LLC, whose Suddenlink and Optimum cable networks, respectively, Sprint accuses of infringing the patents. In an ...