Legal Opinion
Graham v. John Deere Co. of Kansas City
Supreme Court of the United States
Decided February 21, 1966No. 11PublishedCited by 3,252 opinions
1Opinion of the CourtJustice Clark
After a lapse of 15 years, the Court again focuses its attention on the patentability of inventions under the standard of Art. I, § 8, cl. 8, of the Constitution and under the conditions prescribed by the laws of the United States. Since our last expression on patent validity, A. & P. Tea Co. v. Supermarket Corp., 340 U. S. 147 (1950), the Congress has for the first time expressly added a third statutory dimension to the two requirements of novelty and utility that had been the sole statutory test since the Patent Act of 1793. This is the test of obviousness, i. e., whether “the subject…
2Cases cited28 opinions
- Gibbons v. OgdenSupreme Court of the United States · 1824
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
23 more not listed; retrieve them via the Exa API.
3Cited by3,252 opinions
- Edward H. Phillips v. Awh Corporation, Hopeman Brothers, Inc., and Lofton Corporation, Defendants-CrossCourt of Appeals for the Federal Circuit · 2006
- Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
- Vitronics Corporation v. Conceptronic, Inc.Court of Appeals for the Federal Circuit · 1996
- Blonder-Tongue Laboratories, Inc. v. University of Illinois FoundationSupreme Court of the United States · 1971
- Warner-Jenkinson Co. v. Hilton Davis Chemical Co.Supreme Court of the United States · 1997
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