KAISER INDUS. CORP. v. JONES & LAUGHLIN STEEL CORP.

No. 74-1312.

515 F.2d 964 (1975)

KAISER INDUSTRIES CORPORATION, a Nevada Corporation v. JONES & LAUGHLIN STEEL CORPORATION. KAISER INDUSTRIES CORPORATION, a Nevada Corporation, et al. v. JONES & LAUGHLIN STEEL CORPORATION, Appellant.

United States Court of Appeals, Third Circuit.

Decided April 4, 1975.


Attorney(s) appearing for the Case

Walter J. Blenko, Walter J. Blenko, Jr., Pittsburgh, Pa., Gorden R. Harris, Blenko, Buell, Ziesenheim & Beck, Pittsburgh, Pa., for appellant; T. A. Zalenski, Gerald K. White, Jones & Laughlin Steel Corp., Pittsburgh, Pa., of counsel.

H. David Rosenbloom, Peter Van N. Lockwood, Richard E. Timbie, Caplin & Drysdale, Arthur J. Goldberg, Washington, D. C., William H. Webb, Pittsburgh, Pa., for appellees; John M. Webb, David C. Bruening, Pittsburgh, Pa., Webb, Burden, Robinson & Webb, P. A., of counsel.

Alexander Unkovic, P. Christian Hague, Meyer, Unkovic & Scott, Pittsburgh, Pa., Marcus B. Finnegan, Laurence R. Hefter, Kenneth E. Payne, Finnegan, Henderson, Farabow & Garrett, Washington, D. C., for amicus curiae, Crucible, Inc.; Clair X. Mullen, Jr., Crucible, Inc., Pittsburgh, Pa., of counsel.

Before ADAMS, GIBBONS and WEIS, Circuit Judges.


OPINION OF THE COURT

ADAMS, Circuit Judge.

Before the landmark case of Blonder-Tongue Laboratories, Inc. v. University of Illinois Foundation1 was catapulted onto the legal horizon, the rule was that no general collateral estoppel effect attached to a judicial determination of patent invalidity. In Blonder-Tongue, the Supreme Court held that a prior adjudication of invalidity may be asserted as a defense to a subsequent...

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