Legal Opinion
Blonder-Tongue Laboratories, Inc. v. University of Illinois Foundation
Supreme Court of the United States
Decided May 3, 1971No. 338PublishedCited by 2,174 opinions
1Opinion of the CourtJustice White
Respondent University of Illinois Foundation (hereafter Foundation) is the owner by assignment of U. S. Patent No. 3,210,767, issued to Dwight E. Isbell on October 5, 1965. The patent is for “Frequency Independent Unidirectional Antennas,” and Isbell first filed his application May 3, 1960. The antennas covered are designed for transmission and reception of electromagnetic radio frequency signals used in many types of communications, including the broadcasting of radio and television signals.
The patent has been much litigated since it was granted, primarily because it claims a high quality…
2Cases cited100 opinions
- Erie Railroad v. TompkinsSupreme Court of the United States · 1938
- United States v. United States Gypsum Co.Supreme Court of the United States · 1948
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Hansberry v. LeeSupreme Court of the United States · 1940
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
95 more not listed; retrieve them via the Exa API.
3Cited by2,174 opinions
- United States v. MendenhallSupreme Court of the United States · 1980
- Cuyler v. SullivanSupreme Court of the United States · 1980
- Allen v. McCurrySupreme Court of the United States · 1980
- Parklane Hosiery Co. v. ShoreSupreme Court of the United States · 1979
- MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al.Supreme Court of the United States · 1996
2,169 more not listed; retrieve them via the Exa API.