Legal Opinion
Chicago Board Options Exchange, Inc. v. International Securities Exchange, LLC
Court of Appeals for the Federal Circuit
Decided May 7, 2012No. 2011-1267, 2011-1298PublishedCited by 52 opinions
1Opinion of the Court
WALLACH, Circuit Judge.
International Securities Exchange, LLC (“ISE”) appeals from a final judgment entered by the United States District Court for the Northern District of Illinois, holding that the trading system of Chicago Board Options Exchange, Inc. (“CBOE”) does not infringe ISE’s United States Patent No. 6,618,707 (“the '707 Patent”). CBOE cross-appeals the district court’s denial of its motions for leave to amend its Complaint. Because the district court erred in construing “system memory means,” “matching,” and “automated exchange,” and did not abuse its discretion in denying CBOE’s…
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3Cited by52 opinions
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