November 03, 2015
A California federal judge on Monday found a pair of claims invalid in one of Signal IP Inc.'s car-safety patents asserted against Nissan, Mazda and Subaru, saying certain confusing terms make the scope of the invention unclear.
July 21, 2015
Signal IP Inc. fired back Monday against Nissan North America Inc., Mazda Motor of America Inc. and Subaru of America Inc.'s attempt to trim a suit accusing the automakers of infringing its car safety patents, arguing that a person familiar with the technology would understand a term used in a Signal patent.