Legal Opinion

Southwest Software, Inc., Plaintiff-Cross v. Harlequin Incorporated, Harlequin Limited, and Ecrm Trust

Court of Appeals for the Federal Circuit

Decided September 18, 2000No. 99-1213, 99-1214PublishedCited by 71 opinions

1Opinion of the Court

SCHALL, Circuit Judge.

Harlequin Incorporated and Harlequin Limited (collectively “Harlequin”) and ECRM Trust (“ECRM”) appeal from the judgment of patent infringement entered against them in the United States District Court for the Western District of Texas. The judgment was entered upon a jury verdict. The jury found that: (1) claim 1 of Southwest Software, Inc.’s (“Southwest’s”) reexamined U.S. Patent No. B1 5,170,257 (the “ ’257 patent”) is not invalid; (2) claim 1 of the ’257 patent was directly infringed by Harlequin and ECRM, both literally and under the doctrine of equivalents; and (3)…

2Cases cited25 opinions

  1. MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al.Supreme Court of the United States · 1996
  2. Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
  3. United States v. Nordic Village, Inc.Supreme Court of the United States · 1992
  4. South Corporation and Seal Fleet, Inc. v. The United StatesCourt of Appeals for the Federal Circuit · 1982
  5. Sage Products, Inc. v. Devon Industries, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1997

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3Cited by71 opinions

  1. Minnesota Mining and Manufacturing Company v. Chemque, Inc. (Formerly Known as Chemque Canada, Ltd.) and Thomas & Betts Corporation, Defendants-CrossCourt of Appeals for the Federal Circuit · 2002
  2. Finjan, Inc. v. Secure Computing Corp.Court of Appeals for the Federal Circuit · 2010
  3. Novo Industries, L.P., Plaintiff-Cross v. Micro Molds Corporation, and Oscar HelverCourt of Appeals for the Federal Circuit · 2003
  4. Koito Manufacturing Co., Ltd. And North American Lighting, Inc., Plaintiffs-Cross v. Turn-Key-Tech, LLC and Jens Ole SorensenCourt of Appeals for the Federal Circuit · 2004
  5. Fresenius Usa, Inc. v. Baxter International, Inc.Court of Appeals for the Federal Circuit · 2009

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