Legal Opinion
Zenith Radio Corp. v. Radio Corp. of America
District Court, D. Delaware
Decided May 20, 1954No. Civ. 1247PublishedCited by 3 opinions
1Opinion of the Court
LEAHY, Chief Judge.
Under 28 U.S.C. § 2201, Zenith sought declaratory judgment of invalidity, non-infringement and unenforeeability of certain patents against six defendants. 1 , 2 Injunctive relief was also asked. Service was obtained on RCA, GE and WE. Other defendants refused to appear and are not before the court. Each of the parties served counterclaimed, alleging Zenith infringed particular patents. Zenith’s reply denied both validity and infringement of the patents, and again asserted their unenforceability. A separate trial of the validity and infringement issues was ordered January…
2Cases cited13 opinions
- Shields v. BarrowSupreme Court of the United States · 1855
- Waterman v. MacKenzieSupreme Court of the United States · 1891
- Gayler v. WilderSupreme Court of the United States · 1851
- Stewart v. United StatesSupreme Court of the United States · 1855
- Special Equipment Co. v. CoeSupreme Court of the United States · 1945
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3Cited by3 opinions
- Calgon Corp. v. Nalco Chemical Co.District Court, D. Delaware · 1989
- Channel Master Corp. v. JFD Electronics Corp.District Court, E.D. New York · 1967
- Zenith Radio Corp. v. Radio Corp. of AmericaDistrict Court, D. Delaware · 1957