Signal IP Concedes To Partial Invalidity In Auto Litigation

By Aebra Coe (May 26, 2015, 4:47 PM EDT) -- 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.

Signal, a subsidiary of patent acquisition and monetization firm Marathon Patent Group Inc., agreed to a partial judgment of invalidity last week in the wide-ranging patent litigation in light of the indefiniteness holding related to several claims encompassed by three patents in the litigation, one that involves a method for controlling propulsion in hybrid...

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