Legal Opinion
Diversitech Corporation v. Century Steps, Inc., Defendant-Cross
Court of Appeals for the Federal Circuit
Decided June 27, 1988No. Appeal 87-1152, 87-1165PublishedCited by 73 opinions
1Opinion of the Court
PAULINE NEWMAN, Circuit Judge.
Diversitech Corporation (Diversitech) and Century Steps, Inc. (Century) cross-appeal the final judgment of the United States District Court for the Middle District of Alabama, Northern Division 1 relating to U.S. Patent No. 4,505,449 of Turner et al. (the ’449 patent) for “Lightweight Concrete Cladded Heavy Equipment Base”, issued on March 19,1985 and assigned to Diversi-tech. The district court held all the patent claims invalid for obviousness; but if valid, infringed by Century’s “first version” and not infringed by Century’s “second version” of the accused…
2Cases cited23 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Hybritech Incorporated v. Monoclonal Antibodies, Inc.Court of Appeals for the Federal Circuit · 1986
- The Perkin-Elmer Corporation, a Corporation of New York v. Computervision Corporation, a Corporation of DelawareCourt of Appeals for the Federal Circuit · 1984
- W.L. Gore & Associates, Inc., Appellant/cross-Appellee v. Garlock, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1983
- Shatterproof Glass Corporation, Appellee/cross-Appellant v. Libbey-Owens Ford Company and Leybold-Heraeus Gmbh, Appellants/cross-AppelleesCourt of Appeals for the Federal Circuit · 1985
18 more not listed; retrieve them via the Exa API.
3Cited by73 opinions
- Pall Corporation, Plaintiff/cross-Appellant v. Micron Separations, Inc.Court of Appeals for the Federal Circuit · 1995
- In Re David C. PaulsenCourt of Appeals for the Federal Circuit · 1994
- Atd Corporation v. Lydall, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1998
- Crown Operations International, Ltd. And Marshall H. Krone v. Solutia Inc.Court of Appeals for the Federal Circuit · 2002
- In Re SchreiberCourt of Appeals for the Federal Circuit · 1997
68 more not listed; retrieve them via the Exa API.