Legal Opinion

Lam, Inc. v. Johns-Manville Corporation and Johns-Manville Sales Corporation

Court of Appeals for the Tenth Circuit

Decided January 12, 1982No. 80-1060PublishedCited by 35 opinions

1Opinion of the Court

LOGAN, Circuit Judge.

Defendants Johns-Manville Corporation and Johns-Manville Sales Corporation (collectively, J-M) appeal from a trial court judgment that they infringed a patent held by Lam, Inc. The court awarded Lam treble damages and attorneys’ fees, and enjoined J-M from subsequent infringement.

Lam’s patent, No. 3,950,638, issued on April 13, 1976, is for a lighting fixture (luminaire) that permits indoor use of a high intensity discharge (HID) lamp in rooms of average ceiling height. The first of the patent’s two independent claims — for a luminaire with a fluted reflective bowl— is…

2Cases cited22 opinions

  1. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  2. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  3. Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
  4. McCullough Tool Co. v. Well Surveys, Inc.Court of Appeals for the Tenth Circuit · 1965
  5. Milgo Electronic Corporation, a Florida Corporation v. United Business Communications, Inc., a Kansas Corporation, DefendantCourt of Appeals for the Tenth Circuit · 1980

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

3Cited by35 opinions

  1. Woodworker's Supply, Inc. v. Principal Mutual Life InsuranceCourt of Appeals for the Tenth Circuit · 1999
  2. Lam, Inc. v. Johns-Manville Corporation and Johns-Manville Sales CorporationCourt of Appeals for the Federal Circuit · 1983
  3. John A. Bott and Jac Products, Inc. v. Four Star Corporation, a Michigan CorporationCourt of Appeals for the Federal Circuit · 1986
  4. Jervis B. Webb Company v. Southern Systems, Inc.Court of Appeals for the Federal Circuit · 1984
  5. Yarway Corporation v. Eur-Control Usa, Inc., and Eur-Control Kalle, A.B.Court of Appeals for the Federal Circuit · 1985

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

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