Legal Opinion
Radio Corp. of America v. Radio Engineering Laboratories, Inc.
Supreme Court of the United States
Decided May 21, 1934No. 619PublishedCited by 282 opinions
1Opinion of the CourtJustice Caedozo
The petitioners, assignees of two patents, numbers 1,507,016 and 1,507,017, granted to Lee De Forest on September 2, 1924, have sued to restrain an infringement and for other relief.
The respondent, defendant in the trial court, admits the infringement if the patents are valid, but maintains that they are void in that they were issued to a patentee who was not the first inventor.
Long before this suit the rival claimants to the invention, Armstrong and De Forest, had fought out between themselves the legal battle now renewed. The outcome of their contest was a decree whereby priority of…
2Cases cited27 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Texas & NOR Co. v. Brotherhood of Ry. & Steamship ClerksSupreme Court of the United States · 1930
- Morgan v. DanielsSupreme Court of the United States · 1894
- Coffin v. OgdenSupreme Court of the United States · 1874
- Cantrell v. WallickSupreme Court of the United States · 1886
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3Cited by282 opinions
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- Commil United States, LLC v. Cisco Sys., Inc.Supreme Court of the United States · 2015
- Southwest Airlines Company v. Texas International Airlines, Inc. v. Texas Aeronautics Commission, Intervenor-AppelleeCourt of Appeals for the Fifth Circuit · 1977
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