Legal Opinion
Ndm Corporation v. Hayes Products, Inc., and Joseph H. Johnson
Court of Appeals for the Ninth Circuit
Decided March 16, 1981No. 77-3900PublishedCited by 9 opinions
1Opinion of the Court
GOODWIN, Circuit Judge.
NDM Corporation appeals from a judgment in a patent infringement action that various claims of medical electrode patents which had been assigned to NDM were invalid for obviousness. We affirm.
NDM began, 1 in 1969, to develop medical electrodes for use in the electrocardiographic monitoring of heart patients. Initially, NDM attempted to manufacture a “dry” electrode that would be activated by moisture in the patient’s skin, rather than by application of a “wet” electrode gel. These efforts proved unsuccessful and NDM subsequently decided to develop an improved “wet”…
2Cases cited14 opinions
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- Photo Electronics Corporation v. John M. England, Trustee in Bankruptcy for Ferrex Corporation, Photo Electronics Corporation v. Ferrex CorporationCourt of Appeals for the Ninth Circuit · 1978
- Republic Industries, Inc. v. Schlage Lock CompanyCourt of Appeals for the Seventh Circuit · 1979
- Plastic Container Corporation v. Continental Plastics of Oklahoma, Inc.Court of Appeals for the Tenth Circuit · 1979
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3Cited by9 opinions
- Sarkisian v. Winn-Proof Corp.Court of Appeals for the Ninth Circuit · 1982
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- Peter A. Hammerquist v. Clarke's Sheet Metal, Inc.Court of Appeals for the Ninth Circuit · 1981
- Stevenson v. Grentec, Inc.Court of Appeals for the Ninth Circuit · 1981
- Robert Sarkisian v. Winn-Proof Corp., William A. Werner, and Wer-Nel Enterprises, Inc., DefendantsCourt of Appeals for the Ninth Circuit · 1981
4 more not listed; retrieve them via the Exa API.