OPINION AND ORDER
JOAN HUMPHREY LEFKOW, District Judge.
Chicago Board Options Exchange, Inc. ("CBOE") filed suit against International Securities Exchange ("ISE") on January 31, 2007, seeking, among other relief, a declaratory judgment that U.S. Patent No. 6,618,707 ("the '707 patent") is invalid and is not infringed by CBOE. ISE is the holder of the '707 patent, entitled "Automated Exchange for Trading Derivative Securities," which was issued on...
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