Legal Opinion

Chicago Mercantile Exchange, Inc. v. Technology Research Group, LLC

District Court, N.D. Illinois

Decided May 10, 2011No. 09 C 3895Published

1Opinion of the Court

MEMORANDUM OPINION AND ORDER

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, Plaintiffs seek a declaration that they have not…

2Cases cited26 opinions

Anderson v. Liberty Lobby, Inc.Supreme Court of the United States · 1986
Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
KSR International Co. v. Teleflex Inc.Supreme Court of the United States · 2007
Stratoflex, Inc. v. Aeroquip CorporationCourt of Appeals for the Federal Circuit · 1983
The Perkin-Elmer Corporation, a Corporation of New York v. Computervision Corporation, a Corporation of DelawareCourt of Appeals for the Federal Circuit · 1984

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