Legal Opinion
Ritchie v. Vast Resources, Inc.
Court of Appeals for the Federal Circuit
Decided April 24, 2009No. 2008-1528, 2008-1529PublishedCited by 7 opinions
1Opinion of the Court
POSNER, Circuit Judge.
The plaintiffs brought suit for patent infringement against the defendant, and prevailed in the district court, precipitating an appeal that, among other things, challenges the patent’s validity. Dissatisfied with the amount of relief the court gave them, the plaintiffs cross-appeal; but on the view we take, the only issue we shall have to consider is whether the patented invention would have been “obvious” to persons skilled in the relevant art, as that word is understood in patent law. 35 U.S.C. § 103(a).
The plaintiffs own a manufacturer, called Know Mind Enterprises,…
2Cases cited11 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Medtronic, Inc. v. LohrSupreme Court of the United States · 1996
- KSR International Co. v. Teleflex Inc.Supreme Court of the United States · 2007
- Stratoflex, Inc. v. Aeroquip CorporationCourt of Appeals for the Federal Circuit · 1983
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
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3Cited by7 opinions
- Belden Technologies Inc. v. Superior Essex Communications LPDistrict Court, D. Delaware · 2011
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- Lutron Electronics Co. v. Crestron Electronics, Inc.District Court, D. Utah · 2013
- Procter & Gamble Co. v. McNeil-PPC, Inc.District Court, W.D. Wisconsin · 2009
- Wm. Wrigley Jr. Co. v. CADBURY ADAMS USA LLCDistrict Court, N.D. Illinois · 2009
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