Legal Opinion
Weatherchem Corp. v. J.L. Clark, Inc.
District Court, N.D. Ohio
Decided August 30, 1996No. 1:91-cv-00035PublishedCited by 4 opinions
1Opinion of the Court
OPINION & ORDER
O’MALLEY, District Judge.
With this action, plaintiff Weatherchem Corporation (“Weatherchem”) claims that defendant J.L. Clark, Inc. (“Clark”) wilfully infringed two patents owned by Weather-chem: Patent No. 4,693,399 (the “’399 patent”) and Patent No. 4,936,494 (the “’494 patent”). These two patents are directed toward plastic “two-flap closures,” which are commonly used as caps to seal cylindrical spice containers; the caps allow the contents to be sprinkled or spooned out. Clark counterclaims for a declaration that the two patents are invalid, unenforceable, and not infringed…
2Cases cited78 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al.Supreme Court of the United States · 1996
- Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Sri International v. Matsushita Electric Corporation of America and Matsushita Electric Industrial Co., Ltd.Court of Appeals for the Federal Circuit · 1985
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3Cited by4 opinions
- Weatherchem Corporation v. J.L. Clark, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1998
- Merck & Co., Inc. v. Mylan Pharmaceuticals, Inc.District Court, E.D. Pennsylvania · 1998
- Aoki Technical Laboratory, Inc. v. FMT CORP.District Court, D. New Hampshire · 1998
- Aoki v. FMT Corp.District Court, D. New Hampshire · 1998