Mealey's (February 27, 2020, 12:07 PM EST) -- ALEXANDRIA, Va. — The Regents of the University of Minnesota (UMN) on Feb. 26 filed a preliminary patent owner response to an inter partes review (IPR) request by Ericsson Inc. and Telefonaktiebolaget LM Ericsson (Ericsson, collectively), more than five years after the patent in suit was first asserted in infringement litigation against various mobile carriers Ericsson agreed to indemnify (Ericsson Inc., et al. v. The Regents of the University of Minnesota, No. IPR2017-01186, PTAB)....