Legal Opinion
Cummins, Inc. v. Tas Distributing Co., Inc.
Court of Appeals for the Federal Circuit
Decided December 5, 2012No. 2010-1134PublishedCited by 10 opinions
1Opinion of the Court
REYNA, Circuit Judge.
Since 2003, Cummins, Inc. (“Cummins”) and TAS Distributing Company, Inc. (“TAS”) have been engaged in three separate actions regarding idle-control technologies for heavy-duty truck engines. In the latest, filed in 2009, Cummins sought a declaratory judgment that claims of TAS’s U.S. Patent Nos. 5,072,703 (“the '703 patent”) and 5,222,469 (“the '469 patent”) (collectively “the TAS patents”) are invalid and unenforceable. The present appeal challenges the summary judgment determination of the district court, which found that Cummins’ declaratory judgment suit against TAS…
2Cases cited24 opinions
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- Mercoid Corp. v. Mid-Continent Investment Co.Supreme Court of the United States · 1944
- River Park, Inc. v. City of Highland ParkIllinois Supreme Court · 1998
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3Cited by10 opinions
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- Leviton Manufacturing Co. v. Pass & Seymour, Inc.District Court, E.D. New York · 2017
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