Legal Opinion

Illinois Tool Works Inc. v. Grip-Pak, Inc.

District Court, N.D. Illinois

Decided December 4, 1989No. 89 C 5274PublishedCited by 6 opinions

1Opinion of the Court

MEMORANDUM OPINION

BRIAN BARNETT DUFF, District Judge.

Illinois Tool Works Inc. (“ITW”) filed suit in this court on June 30, 1989, claiming that Grip-Pak, Inc. has infringed on two of its patents, U.S. Patent Nos. 3,733,100 (hereafter the “100 Patent”; one representation of it appears as Exhibit A to this opinion), and 4,219,117 (hereafter the “117 Patent”; a drawing of it appears as Exhibit B). Each patent describes a plastic device for carrying beverage containers. The sole licensee of these patents is Owens-Illinois, Inc. Grip-Pak manufactures and sells its own carrier, shown in Exhibit C.…

2Cases cited20 opinions

  1. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  2. Sri International v. Matsushita Electric Corporation of America and Matsushita Electric Industrial Co., Ltd.Court of Appeals for the Federal Circuit · 1985
  3. Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
  4. Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
  5. Hybritech Incorporated v. Abbott LaboratoriesCourt of Appeals for the Federal Circuit · 1988

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3Cited by6 opinions

  1. Illinois Tool Works, Inc. v. Grip-Pak, Inc.Court of Appeals for the Federal Circuit · 1990
  2. Alternative Pioneering Systems, Inc. v. Direct Innovative Products, Inc.District Court, D. Minnesota · 1993
  3. Hemstreet v. Computer Entry Systems Corp.District Court, N.D. Illinois · 1990
  4. Alliance Research Corp. v. Telular Corp.District Court, C.D. California · 1994
  5. JVST Group v. Pioneer Pet Products LLCDistrict Court, E.D. Wisconsin · 2023

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