Legal Opinion
Stevenson v. Grentec, Inc.
Court of Appeals for the Ninth Circuit
Decided July 27, 1981No. Nos. 79-3771, 79-3772 and 79-3773PublishedCited by 9 opinions
1Opinion of the Court
CANBY, Circuit Judge.
Stevenson appeals the ruling of the district court granting Grentec’s motion for summary judgment and declaring his patent invalid as obvious. We affirm.
In 1971, Stevenson received a patent for a skateboard with a foot depressible lever at one end or at both ends of the board (kick-tail board). The kicktail invention improved the maneuverability and safety of skateboards by minimizing or eliminating the problems of foot slippage and grounding and by enhancing the rider’s “foot feel” and “leverage”.1 The core of Stevenson’s invention was an extension forming a slight curve…
2Cases cited9 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Donovan Edward Ruby v. Secretary of the United States NavyCourt of Appeals for the Ninth Circuit · 1966
- Photo Electronics Corporation v. John M. England, Trustee in Bankruptcy for Ferrex Corporation, Photo Electronics Corporation v. Ferrex CorporationCourt of Appeals for the Ninth Circuit · 1978
- Stevenson v. International Trade CommissionCourt of Customs and Patent Appeals · 1979
- Hewlett-Packard Company v. Tel-Design, Inc.Court of Appeals for the Ninth Circuit · 1972
4 more not listed; retrieve them via the Exa API.
3Cited by9 opinions
- Robert L. Mendenhall, and Cmi Corporation v. Cedarapids, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1993
- Richard Lawrence Stevenson v. Sears, Roebuck & CompanyCourt of Appeals for the Federal Circuit · 1983
- Akzona Inc. v. E. I. Du Pont De Nemours & Co.District Court, D. Delaware · 1984
- Wilden Pump & Engineering Co., a Corporation v. Pressed & Welded Products Co., a CorporationCourt of Appeals for the Ninth Circuit · 1981
- In Re Convertible Rowing Exerciser Patent Lit.District Court, D. Delaware · 1985
4 more not listed; retrieve them via the Exa API.