TAS Foils Cummins Action Over Engine Patents

Law360, New York (December 2, 2009, 5:39 PM EST) -- Bringing the second of three lawsuits over patented car engine control technology to a close, a federal judge has ruled that Cummins Inc.’s attempt to invalidate TAS Distributing Inc.'s patents and a related licensing agreement should have been made during an earlier case.

Judge Joe Billy McDade of the U.S. District Court for the Central District of Illinois ruled Monday that the doctrine of res judicata bars Cummins’ lawsuit, clearing the way for TAS to continue its action against Cummins for royalties under a disputed licensing...
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