Legal Opinion

Phonometrics, Inc. v. Northern Telecom Inc., and United Telephone Company of Florida, and Sprint Corporation

Court of Appeals for the Federal Circuit

Decided February 11, 1998No. 96-1469PublishedCited by 167 opinions

1Opinion of the Court

MICHEL, Circuit Judge.

Phonometrics, Inc. appeals from a summary judgment and certain other final orders of the United States District Court for the Southern District of Florida in Phonometrics, Inc. v. Northern Telecom Inc., No. 93-6561-CIV-RYSKAMP (S.D. Fla. June 28, 1996). The district judge granted summary judgment of noninfringement of Phonome-tries’s U.S. Patent No. 3,769,463 (the “’463 patent”) in favor of Northern Telecom Inc. (“NTI”) and United Telephone Company of Florida (“United”), dismissed as moot NTI’s and United’s counterclaims of patent invalidity and unenforceability, and…

2Cases cited18 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. Vitronics Corporation v. Conceptronic, Inc.Court of Appeals for the Federal Circuit · 1996
  4. Warner-Jenkinson Co. v. Hilton Davis Chemical Co.Supreme Court of the United States · 1997
  5. Stone v. Immigration & Naturalization ServiceSupreme Court of the United States · 1995

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3Cited by167 opinions

  1. Renishaw Plc v. Marposs Societa' Per Azioni and Marposs CorporationCourt of Appeals for the Federal Circuit · 1998
  2. Scimed Life Systems, Inc. v. Advanced Cardiovascular Systems, Inc.Court of Appeals for the Federal Circuit · 2001
  3. Rexnord Corporation v. The Laitram Corporation and Intralox, Inc.Court of Appeals for the Federal Circuit · 2001
  4. Spectrum International, Inc. v. Sterilite Corp.Court of Appeals for the Federal Circuit · 1998
  5. Epcon Gas Systems, Inc. And Norman S. Loren v. Bauer Compressors, Inc., Defendant-CrossCourt of Appeals for the Federal Circuit · 2002

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