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ROHM AND HAAS CO. v. BROTECH CORP.

Nos. 97-1024, 97-1063.

127 F.3d 1089 (1997)

ROHM AND HAAS COMPANY, Plaintiff/Cross-Appellant, v. BROTECH CORPORATION, Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

Rehearing Denied; Suggestion for Rehearing Declined December 4, 1997.

Attorney(s) appearing for the Case

Rudolf Eric Hutz, Connolly, Bove, Lodge & Hutz, of Wilmington, DE, argued for plaintiff/cross-appellant. With him on the brief were N. Richard Powers and Jeffrey B. Bove.

Raphael V. Lupo, McDermott, Will & Emery, Washington, DC, argued for defendant-appellant. With him on brief were Jack Q. Lever, Jr., Donna M. Tanguay, and Robert W. Zelnick. Of counsel on brief were Paul R. Rosen, Spector Gadon & Rosen, P.C., Philadelphia, PA, and Herbert B. Keil, Keil & Weinkauf, Washington, DC. Of counsel was Robert K. Payson, Potter Anderson, Wilmington, DE.

Before RICH, RADER, and BRYSON, Circuit Judges.

Rehearing Denied; Suggestion for Rehearing In Banc Declined December 4, 1997.

RADER, Circuit Judge.

Rohm & Haas Company (R & H) sued Brotech Corporation for infringement of U.S. Patents Nos. 4,256,840 (the '840 patent), 4,382,124 (the '124 patent), and 4,224,415 (the '415 patent). Brotech asserted defenses of noninfringement and inequitable conduct. After a three-week bench trial, the district court determined that R & H did not prove infringement...

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