As part of a separate lawsuit in which Barnes & Noble pre-emptively sued chipmaker LSI to mitigate against accusations that the Nook e-reader line infringed on the company’s patents, Judge Edward Chen of California’s Northern District denied LSI’s motions to dismiss 8 of BN’s defenses, including “non-infringement, invalidity, unenforceability, persecution history estoppel/judicial estoppel, no injunctive […]