QUAD ENVIRONMENTAL TECH. v. UNION SANITARY DIST.

No. 91-1027.

946 F.2d 870 (1991)

QUAD ENVIRONMENTAL TECHNOLOGIES CORPORATION, Plaintiff-Appellant, v. UNION SANITARY DISTRICT, and A.P.T., Inc., a California Corp. d/b/a Calvert Environmental, Inc., Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

Suggestion for Rehearing Declined December 13, 1991.


Attorney(s) appearing for the Case

Alan E.J. Branigan, Griffin, Branigan & Butler, of Arlington, Virginia, argued for plaintiff-appellant. With him on the brief was George C. Kurtossy, Arlington, Va. Also on the brief were Neil A. Smith and Virginia S. Medlen, Limbach, Limbach & Sutton, San Francisco, Cal., of counsel.

Charles A. Laff, Laff, Whitesel, Conte & Saret, Chicago, Ill., argued for defendant-appellee. With him on the brief were Robert F.I. Conte, William P. Waters, Judith L. Grubner and John T. Gabrielides, Chicago, Ill. Also on the brief were Thomas O. Herbert and Richard P. Doyle, Flehr, Hohbach, Test, Albritton & Herbert, San Francisco, Cal., of counsel.

Before NEWMAN and PLAGER, Circuit Judges, and MILLER, Senior Circuit Judge.


Suggestion for Rehearing In Banc Declined December 13, 1991.

PAULINE NEWMAN, Circuit Judge.

Quad Environmental Technologies Corporation appeals the summary judgment of the United States District Court for the Northern District of California, holding all the claims of the patent in suit invalid on the basis of obviousness.1 The district court did not reach the issues of infringement and...

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