Cummins Sues TAS To Invalidate Car Engine Patents

Law360, New York (March 19, 2009, 12:00 AM EDT) -- A third battle has erupted in a protracted war over patented car-engine control technology, with Cummins Inc. firing off a fresh suit against TAS Distributing Co. that claims the patents-at-issue are invalid and unenforceable and an agreement between the two companies is void.

The complaint, lodged Wednesday in the U.S. District Court for the Central District of Illinois, alleges two patents for technology to stop and start engines, which TAS exclusively licensed to Cummins for perpetuity, are invalid because TAS lied to the U.S. Patent and...
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