April 08, 2014
The Federal Circuit on Monday affirmed a finding that Chicago Board Options Exchange Inc. did not infringe on a patent owned by International Securities Exchange LLC in a long-running battle over trading technology.
January 09, 2014
International Securities Exchange LLC asked a Federal Circuit panel Thursday to wade into its $400 million trading system patent battle with Chicago Board Options Exchange Inc., claiming an Illinois federal judge improperly undermined their case with a series of evidence-limiting decisions.