Unreasonable Delay In Prosecuting Patent Costs Patentee $308 Million
The Court of Appeals for the Federal Circuit (“CAFC”) recently affirmed an Eastern District of Texas ruling that U.S. Patent No. 8,191,091 (“the ’091 patent”) is unenforceable due to prosecution latches. Personalized Media Communications, LLC (“PMC”) was found to have engaged in an unreasonable and unexplained delay in prosecuting its