Legal Opinion

A.P.T., Inc. v. Quad Environmental Technologies Corp.

District Court, N.D. Illinois

Decided October 27, 1988No. 88 C 6000PublishedCited by 6 opinions

1Opinion of the Court

MEMORANDUM AND ORDER

MORAN, District Judge.

Defendant Quad Environmental Technologies Corporation (“Quad”) holds rights to a patented process for removing odors from unsaturated gas streams (U.S. Patent No. 4,238,461) used primarily in wastewa-ter treatment facilities. Plaintiff A.P.T., Inc., doing business as Calvert Environmental (“Calvert”), sells wastewater treatment products to municipalities in direct competition with Quad. On May 17, 1988, Quad filed a patent infringement action in the United States District Court in the Northern District of California (“the San Francisco lawsuit”)…

2Cases cited16 opinions

  1. Van Dusen v. BarrackSupreme Court of the United States · 1964
  2. Kerotest Manufacturing Co. v. C-O-Two Fire Equipment Co.Supreme Court of the United States · 1952
  3. Codex Corporation and Yellow Freight System, Inc. v. Milgo Electronic Corporation and International Communications CorporationCourt of Appeals for the First Circuit · 1977
  4. William Gluckin & Co., Inc. v. International Playtex CorporationCourt of Appeals for the Second Circuit · 1969
  5. Adair v. Hunt International Resources Corp.District Court, N.D. Illinois · 1981

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3Cited by6 opinions

  1. In Re Consolidated Parlodel LitigationDistrict Court, D. New Jersey · 1998
  2. Medi USA, L.P. v. Jobst Institute, Inc.District Court, N.D. Illinois · 1992
  3. Heinz Kettler GmbH & Co. v. Indian Industries, Inc.District Court, E.D. Virginia · 2008
  4. Joslyn Manufacturing Co. v. Amerace Corp.District Court, N.D. Illinois · 1990
  5. BBC International Ltd. v. Lumino Designs, Inc.District Court, E.D. New York · 2006

1 more not listed; retrieve them via the Exa API.

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