Docket No.: 95-728 Argued: October 15, 1996 Decided: March 3, 1997
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 CIRCUITCitation: 62 F.3d 1512Lower Court Decision Supreme Court Docket
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?