March 31, 2016
A California federal judge found in an order posted Thursday that Mazda didn't infringe on two of Signal IP Inc.'s car-safety patents, though he said Signal sufficiently showed Mazda may have infringed on a third patent.
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.
June 29, 2015
Nissan North America Inc., Mazda Motor of America Inc. and Subaru of America Inc. on Friday urged a California federal judge to pare further claims from a suit accusing the automakers of ripping off Signal IP's car safety patents, saying Signal admits the patent contains an error since its claim constructions contradict.
May 26, 2015
A California federal judge trimmed patent litigation against BMW of North America LLC and eight other automakers after patent holder Signal IP Inc. agreed to a partial judgment of invalidity after the court found a portion of the patent claims' terms to be indefinite during claim construction.
April 02, 2014
The U.S. business units of Asian car giants Honda Motor Co. Ltd., Kia Motors Corp., Mazda Motor Corp. and Mitsubishi Motors Corp. were slapped with patent infringement complaints Tuesday in California federal court alleging they have flouted patents covering car safety and radar systems.