EXXON CHEMICAL PATENTS, INC. v. LUBRIZOL CORP.

Nos. 90-1255, 90-1313.

935 F.2d 1263 (1991)

EXXON CHEMICAL PATENTS, INC., Plaintiff-Appellee, v. The LUBRIZOL CORPORATION, Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

June 4, 1991.


Attorney(s) appearing for the Case

William C. Slusser, Baker & Botts, Houston, Tex., argued for plaintiff-appellee. With him on the brief was Lee L. Kaplan. Lawrence F. Scinto, Fitzpatrick, Cella, Harper & Scinto, New York City, argued for plaintiff-appellee. With him on the brief was Nels T. Lippert. Also on the brief was Kenneth M. Bialo, New York City.

Kenneth R. Adamo, Jones, Day, Reavis & Pogue, Cleveland, Ohio, argued for defendant-appellant. With him on the brief were Regan J. Fay, Robert J. Hoerner, James L. Wamsley, III and Hal D. Cooper, of counsel.

Before NEWMAN, MICHEL, and PLAGER, Circuit Judges.


PER CURIAM.

On this appeal of various district court orders granting and refusing to vacate an injunction,1 The Lubrizol Corporation raises the question of whether the United States patent in suit was validly issued on the issue date reported in the Official Gazette of the Patent and Trademark Office when on that date, and for a substantial period thereafter, the patent document was not printed, the patent grant was not signed by...

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