Legal Opinion
Chicago Mercantile Exchange, Inc. v. Technology Research Group, LLC
District Court, N.D. Illinois
Decided April 29, 2011No. 09 C 3895Published
1Opinion of the Court
MEMORANDUM OPINION AND ORDER
JUDGE RUBEN CASTILLO, District Judge.
Chicago Mercantile Exchange, Inc. (“CMEI”) and the Board of Trade of the City of Chicago (“CBOT”) (collectively, “Plaintiffs”) filed this patent action against Technology Research Group, LLC (“TRG”), seeking declaratory judgment pursuant to the Declaratory Judgment Act, 28 U.S.C. § 2201 et seq. (R. 121, Second Am. Compl.) Specifically, Plaintiffs seek a declaration that United States Patent No. 5,963,923 (“'923 patent”) is invalid and unenforceable. (Id. ¶¶ 37-88.) Additionally, they seek a declaration that they have not…
2Cases cited14 opinions
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