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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
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