Scientific evidence that is admitted in federal court must be valid and relevant to the case at hand. Decided June 28, 1993 (argued March 30, 1993). Opinion of the Court: Harry Blackmun → go there Topic: Other. Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993), is a United States Supreme Court case determining the standard for admitting expert testimony in federal courts. In Daubert, the Court held that the enactment of the Federal Rules of Evidence implicitly overturned the Frye standard; the standard that the Court articulated is referred to as the Daubert standard. Wiki link