A.C. AUKERMAN CO. v. R.L. CHAIDES CONST. CO.

No. 90-1137.

960 F.2d 1020 (1992)

A.C. AUKERMAN COMPANY, Plaintiff-Appellant, v. R.L. CHAIDES CONSTRUCTION CO., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

Rehearing Denied May 19, 1992.


Attorney(s) appearing for the Case

Gerald P. Dodson, Townsend & Townsend, San Francisco, Cal., argued for plaintiff-appellant (Roger L. Cook and David L. Bilsker, on brief).

Thomas E. Schatzel, Law Offices of Thomas E. Schatzel, Santa Clara, Cal., argued for defendant-appellee.

Lawrence A. Hymo, Cushman, Darby & Cushman, Washington, D.C., argued for amicus curiae, Federal Circuit Bar Ass'n (William T. Bullinger, James D. Berquist, Lynn E. Eccleston, Kendrew H. Colton and Michael R. Dzwonczyk, Ronald Kananen, Marks, Murase & White, Evangeline W. Swift, President, Federal Circuit Bar Ass'n and George E. Hutchinson, Executive Director, Federal Circuit Bar Ass'n, on brief).

Jerry R. Selinger and Martha E. Waters, Vinson & Elkins, Dallas, Tex., were on the brief for amicus curiae, Datapoint Corp.

James F. McKeown, Evenson, Wands, Edwards, Lenahan & McKeown, Chair, Bar Ass'n of the District of Columbia, Washington, D.C., argued for amicus curiae, Bar Ass'n of the District of Columbia (Anthony W. Shaw and Teresa Stanek Rea, Burns, Doane, Swecker & Mathis, Arlington, Va., on the brief; and Herbert I. Cantor, Wegner, Cantor, Mueller & Player, Washington, D.C., of counsel, on brief).

Gaynell C. Methvin, Thomas L. Crisman and James D. Petruzzi, Johnson & Gibbs, P.C., Dallas, Tex., were on the brief for amicus curiae, Computer Entry Systems Corp. and Banctec, Inc.

Charles W. Bradley and Peter H. Priest, Davis, Hoxie, Faithful & Hapgood, New York City, were on the brief for amicus curiae, Lundy Electronics & Systems, Inc.

Maurice H. Klitzman and John J. Kelly, Washington, D.C., were on the brief for amicus curiae, Electronic Industries Ass'n.

Before NIES, Chief Judge, RICH, NEWMAN, ARCHER, MAYER, MICHEL, PLAGER, LOURIE, CLEVENGER, and RADER, Circuit Judges.


NIES, Chief Judge.

This court reheard Appeal No. 90-1137 in banc to reconsider the principles of laches and equitable estoppel applicable in a patent infringement suit.1 A.C. Aukerman Co. sued R.L. Chaides Construction Co. in the United States District Court for the Northern District of California for infringement of Aukerman's patents, U.S. Patent Nos. 3,793,133 ('133) and 4,014,633 ('633). A.C. Aukerman Co. v. R.L. Chaides...

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