Legal Opinion
Murata Manufacturing Co. v. Bel Fuse, Inc.
District Court, N.D. Illinois
Decided May 2, 2007No. 03 C 2934PublishedCited by 16 opinions
1Opinion of the Court
MEMORANDUM OPINION AND ORDER
JEFFREY COLE, United States Magistrate Judge.
Murata Manufacturing Co., Ltd. (“Mura-ta”) sued Bel Fuse Inc., Bel Fuse Ltd., Bel Stewart Ltd., and Bell Connector Inc. (collectively “Bel Fuse”) for infringement of United States Patent No. 5,069,641 (“the '641 Patent”). In response, Bel Fuse has interposed the defense that the '641 Patent is invalid as a result of inequitable conduct before the Patent and Trademark Office. Among the bases of this defense, are Bel Fuse’s claims that the inventors of the patent-in-suit intentionally withheld a prior art patent that was…
2Cases cited29 opinions
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