Legal Opinion
Oak Industries, Inc. v. Zenith Electronics Corp.
District Court, N.D. Illinois
Decided September 20, 1988No. 84 C 3045PublishedCited by 14 opinions
1Opinion of the Court
MEMORANDUM AND ORDER
MORAN, District Judge.
Plaintiffs bring this infringement action on a patent that teaches a method for eliminating a particular type of interference (“direct pickup interference”) used in the cable television industry. U.S. Patent No. 3,333,198 (“the Mandell patent”) was granted to plaintiffs’ predecessors in interest on July 25, 1967, and it expired in 1984. Prior to the expiration date defendant Zenith sold cable television converters that allegedly practiced the method disclosed in the Man-dell patent. While plaintiffs concede that Zenith did not actually use the method…
2Cases cited13 opinions
- Celotex Corp. v. Catrett, Administratrix of the Estate of CatrettSupreme Court of the United States · 1986
- Sony Corp. of America v. Universal City Studios, Inc.Supreme Court of the United States · 1984
- Aro Manufacturing Co. v. Convertible Top Replacement Co.Supreme Court of the United States · 1961
- Dawson Chemical Co. v. Rohm & Haas Co.Supreme Court of the United States · 1980
- Amstar Corporation v. Envirotech Corporation and Energy Fuels Nuclear, Inc.Court of Appeals for the Federal Circuit · 1984
8 more not listed; retrieve them via the Exa API.
3Cited by14 opinions
- Metro-Goldwyn-Mayer Studios Inc. v. Grokster, Ltd.Supreme Court of the United States · 2005
- Dynacore Holdings Corp. v. U.S. Philips Corp.Court of Appeals for the Federal Circuit · 2004
- R2 Medical Systems, Inc. v. Katecho, Inc.District Court, N.D. Illinois · 1996
- KBL CORP. v. ArnoutsDistrict Court, S.D. New York · 2009
- Oak Industries, Inc. v. Zenith Electronics Corp.District Court, N.D. Illinois · 1989
9 more not listed; retrieve them via the Exa API.