Legal Opinion

Dsl Dynamic Sciences Limited v. Union Switch & Signal, Inc.

Court of Appeals for the Federal Circuit

Decided March 19, 1991No. 90-1395PublishedCited by 18 opinions

1Opinion of the Court

RICH, Circuit Judge.

DSL Dynamic Sciences Ltd. (DSL) appeals from the March 28, 1990 decision of the United States District Court for the Western District of Pennsylvania in a patent interference proceeding under 35 U.S.C. § 146, awarding priority of invention to Union Switch & Signal, Inc. (Union Switch). We affirm.

BACKGROUND

The present case relates to “coupler mount assemblies,” which are essentially clamps, used to attach various equipment to a railway car coupler. The assembly engages relief holes located in the side of a standard railway car coupler so as to grasp the side of the coupler…

2Cases cited8 opinions

  1. Hybritech Incorporated v. Monoclonal Antibodies, Inc.Court of Appeals for the Federal Circuit · 1986
  2. King Instrument Corporation, Plaintiff-Appellant/cross-Appellee v. Otari Corporation, Defendant-Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1985
  3. William C. Elmore v. William F. SchmittCourt of Customs and Patent Appeals · 1960
  4. Mark C. Newkirk v. Donald A. Lulejian, Alphonse W. Faure and Eugene F. FijalkowskiCourt of Appeals for the Federal Circuit · 1987
  5. Burns v. CurtisCourt of Customs and Patent Appeals · 1949

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

3Cited by18 opinions

  1. Barry v. Medtronic, Inc.Court of Appeals for the Federal Circuit · 2019
  2. Filmtec Corporation v. HydranauticsCourt of Appeals for the Federal Circuit · 1993
  3. Streck, Inc. v. Research & Diagnostic Systems, Inc.Court of Appeals for the Federal Circuit · 2011
  4. James E. Manning v. Norman A. ParadisCourt of Appeals for the Federal Circuit · 2002
  5. Loral Fairchild Corp. v. Victor Co. of Japan, Ltd.District Court, E.D. New York · 1996

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

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