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Warner Jenkinson Co., Inc. v. Hilton Davis Chemical Co.

Docket No.: 95-728
Argued: October 15, 1996
Decided: March 3, 1997

Topics:

Economic Activity, patent

PartyNames: WARNER-JENKINSON COMPANY, INC., Petitioner v. HILTON DAVIS CHEMICAL CO.
Petitioner: Warner Jenkinson Co., Inc.
Respondent: Hilton Davis Chemical Co.

Court Below: THE UNITED STATES COURT OF APPEALS FOR THE FEDERAL CIRCUIT
Citation: 62 F.3d 1512
Lower Court Decision
Supreme Court Docket

Warner Jenkinson Co., Inc.
v.
Hilton Davis Chemical Co.
520 U.S. 17 (1997)
Other Citations: 117 S.Ct. 1040137 L.Ed.2d 146 (520 U.S.
Question:

Is the "doctrine of equivalents" a legitimate test for determining how similar a new invention must be to an existing patent to be deemed an illegal infringement?

Warner Jenkinson Co., Inc. v. Hilton Davis Chemical Co.
ORAL ARGUMENT

October 15, 1996

Holding: reversed and remanded
Decision: Decision: 9 votes for Warner Jenkinson Co., Inc., 0 vote(s) against

Warner Jenkinson Co., Inc. v. Hilton Davis Chemical Co.
Case Documents

1Opinion in Warner Jenkinson Co., Inc. v. Hilton Davis Chemical Co.
2Opinion in Warner Jenkinson Co., Inc. v. Hilton Davis Chemical Co.
Additional documents for this case are pending review.