Legal Opinion
Plantronics, Inc., and Cross-Appellee v. Roanwell Corporation, and Cross-Appellant
Court of Appeals for the Second Circuit
Decided June 15, 1976No. 835, 836, Dockets 75-7621, 75-7645PublishedCited by 8 opinions
1Per curiam
Plantronics, Inc. brought an action in the United States District Court for the Southern District of New York for infringement of two utility patents and a design patent which it owned relating to lightweight headsets as used by airplane pilots and air traffic controllers.- The defendant Roan-well Corporation is also in the business of manufacturing and selling headsets. The patents owned by plaintiff and the allegations of infringement are:
1. Larkin patent 3,184,556, for a “Miniature Headset-Microphone Adapted For Use With A Mask”, filed December 11, 1961, issued May 18, 1965; charged to be…
2Cases cited2 opinions
- Maclaren v. B-I-W Group Inc.Court of Appeals for the Second Circuit · 1976
- Plantronics, Inc. v. Roanwell CorporationDistrict Court, S.D. New York · 1975
3Cited by8 opinions
- Cathodic Protection Service v. American Smelting & Refining Company, Federated Metals Corporation and Waynes Broyles Engineering CompanyCourt of Appeals for the Fifth Circuit · 1979
- Digitronics Corp., Now Amperex Electronic Corp., Plaintiff-Appellant-Cross v. The New York Racing Association, Inc., Defendants-Appellees-CrossCourt of Appeals for the Second Circuit · 1977
- Dennison Manufacturing Co. v. Ben Clements & Sons, Inc.District Court, S.D. New York · 1979
- CTS Corp. v. Electro Materials Corp. of AmericaDistrict Court, S.D. New York · 1979
- Transmatic, Inc. v. Gulton Industries, Inc., and Patent License Corp.Court of Appeals for the Sixth Circuit · 1979
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