Hotchkiss v. Greenwood

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Hotchkiss v. Greenwood
Seal of the United States Supreme Court.svg
Argued February 5–6, 1851
Decided February 19, 1851
Full case name Julia P. Hotchkiss, Executrix of John G. Hotchkiss, Deceased, John A. Davenport, and John W. Quincy, Plaintiffs in Error v. Miles Greenwood and Thomas Wood, Partners in Trade Under the Name of M. Greenwood & Co.
Citations 52 U.S. 248 (more)
13 L. Ed. 683; 1850 U.S. LEXIS 1507; 11 HOW 248
Court membership
Case opinions
Majority Nelson, joined by Taney, McLean, Wayne, Catron, McKinley, Daniel, Grier
Dissent Woodbury

Hotchkiss v. Greenwood, 52 U.S. 248 (1850), was a United States Supreme Court case. It was the first US Supreme Court case to introduce the concept of non-obviousness as patentability requirement in United States patent law.[1][2]


  1. ^ Rockman, Howard B. (2004). Intellectual Property Law for Engineers and Scientists. IEEE Antennas and Propagation Society (Wiley-IEEE). p. 94. ISBN 0471449989. 
  2. ^ Beckmann, Jürgen (1998). "Über die Differenzierung und Quantifizierung von Erfindungshöhe, Schutzrechtsverletzung und Rechtsfolgen im Patentrecht". GRUR (in German) 1998: 7–18. 

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