Chicago Board Options Exchange v. International Securities

  1. April 08, 2014

    CBOE Didn't Infringe Trading Systems Patent, Fed. Circ. Says

    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.

  2. January 09, 2014

    Bad Rulings Foiled $400M Patent Suit, ISE Tells Fed. Circ.

    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.

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