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David v. Black & Decker Inc.

May 4, 2009

CHARLES DAVID, SR. AND STEPHANIE DAVID, HIS WIFE, PLAINTIFFS,
v.
BLACK & DECKER (US) INC., DEFENDANT.



The opinion of the court was delivered by: Ambrose, Chief District Judge

OPINION AND ORDER OF COURT

The factual and procedural details of this case are well known to the parties, and I need not repeat them in detail here. In short, this is a products liability case involving a Black & Decker circular saw owned by Plaintiff Charles David, Sr. Mr. David and his wife Stephanie David (collectively "Plaintiffs") seek damages from Defendant Black & Decker (US) Inc. ("Defendant" or "Black & Decker") stemming from injuries Mr. David received to his left hand while operating the saw on October 24, 2004. Plaintiffs argue that a design defect in the saw allowed the saw to accidentally energize, causing Mr. David's injuries.

Plaintiffs offer the expert testimony of Kai J. Baumann, P.E. ("Baumann"), a mechanical engineer, with respect to defective design and causation. In turn, Defendant offers the expert testimony of Dr. Gary Deegear ("Deegear"), a medical doctor with experience in biomechanics and injury causation involving power tools. Pending are Plaintiffs' Motion to Preclude Testimony of Gary Deegear (Docket No. 26) and Defendant's Motion to Exclude Testimony of Kai J. Baumann, P.E. (Docket No. 28) based on Daubert v. Merrell Dow Pharm., Inc., 509 U.S. 579 (1993) and its progeny. I held a hearing on the motions on March 10, 2009 (Docket No. 39), and the parties submitted both pre- and post-hearing briefs and exhibits. (Docket Nos. 27, 29-33, 35-37, 40-41). After carefully considering the submissions of the parties and the evidence presented at the hearing, both motions are denied as set forth more fully below.

I. Analysis

A. Daubert Standard and Rule 702

In Daubert, the Supreme Court held that:

[f]aced with a proffer of expert scientific testimony, ... the trial court judge must determine at the outset ... whether the expert is proposing to testify to (1) scientific knowledge that (2) will assist the trier of fact to understand or determine a fact in issue. This entails a preliminary assessment of whether the reasoning or methodology underlying the testimony is scientifically valid and of whether that reasoning or methodology properly can be applied to the facts in issue. 509 U.S. at 592-93. More recently, in Kumho Tire Co., Ltd. v. Carmichael, 526 U.S. 137, 141 (1999), the Supreme Court clarified any confusion regarding the intended reach of the Daubert decision, by declaring that the trial judge must perform this "basic gatekeeping obligation" to all expert matters, not just "scientific" matters. In the Third Circuit, the trial court's role as a "gatekeeper" announced in Daubert requires proof that: (1) the proffered witness is qualified as an expert; (2) the expert must testify about matters requiring scientific, technical, or specialized knowledge; and (3) the expert's testimony must "fit" the facts of the case. In re Paoli R.R. Yard PCB Litig., 35 F.3d 717, 741-42 (3d Cir. 1994). Thus, pursuant to Daubert, the gatekeeping function requires the court to ensure that the expert testimony is both reliable and relevant. Daubert, 509 U.S. at 589; Kumho Tire Co., 526 U.S. at 147.

As to the first requirement - qualification - the Court of Appeals for the Third Circuit has "eschewed imposing overly rigorous requirements of expertise and [has] been satisfied with more general qualifications." Paoli, 35 F.3d at 741. "Rule 702's liberal policy of admissibility extends to the substantive as well as the formal qualification of experts." Id. Thus, an expert can qualify based on a broad range of knowledge, skills, training and experience.

The second inquiry focuses on methodology. The inquiry into methodology is designed to ensure that an expert's opinions are based upon "'methods and procedures of science' rather than on subjective belief or unsupported speculation; the expert must have 'good grounds' for his or her belief." Id. at 742. Factors used to assess reliability may include whether: (1) the theory or technique can be tested; (2) the theory or technique has been peer reviewed; (3) there is a high rate of known or potential error; (4) there are standards or controls; (5) the theory is "generally accepted"; (6) there is a sufficient relationship between the technique and methods which have been established to be reliable; (7) the expert's qualifications are sufficient; and (8) the method has been put to non-judicial uses. See Magistrini v. One Hour Martinizing Dry Cleaning, 180 F. Supp. 2d 584, 594 (D.N.J. 2002), aff'd, 68 F. App'x 356 (3d Cir. 2003). "Some courts also consider additional factors relevant in determining reliability, including: (i) whether the expert's proposed testimony grows naturally and directly out of research the expert has conducted independent of the litigation . . . ; (ii) whether the expert has unjustifiably extrapolated from an accepted premise to an unfounded conclusion. . . ; (iii) whether the expert has adequately accounted for alternative explanations . . . ; (iv) whether the expert is being as careful as he would be in his professional work outside of the litigation context . . . ; and (v) whether the field of expertise asserted by the expert is known to reach reliable results for the type of opinion proffered by the expert . . . ." Id. at 594-95 (citations omitted); see also Cuffari v. S-B Power Tool Co., 80 F. App'x 749, 751 (3d Cir. 2003) ("In short, trial courts should determine whether the expert's conclusion is based on valid reasoning and reliable methodology.").

Although this list of factors is lengthy, not each factor will be relevant to every reliability analysis. The "test of reliability is 'flexible.'" Kumho, 526 U.S. at 141. According to the Supreme Court, "Daubert's list of specific factors neither necessarily nor exclusively applies to all experts."

Id. The relevance of the Daubert factors depends "on the nature of the issue, the expert's particular expertise, and the subject of his testimony." Id. at 150 (internal quotation marks and citations omitted).

Finally, Daubert and Rule 702 require that the expert's testimony "fit" the facts of the case. "'Fit' requires that the proffered testimony must in fact assist the jury, by providing it with relevant information, necessary to a reasoned decision of the case." Magistrini, 180 F. Supp. 2d at 595 (citing Paoli, 35 F.3d at 743).

B. The Daubert Motions

Plaintiffs offer Baumann's testimony to support their claim that the circular saw at issue in this case was defectively designed. Specifically, Baumann opines that the subject saw was defectively designed and unreasonably dangerous because its trigger promotes inadvertent activation; the front handle has insufficient space to be held without inadvertently putting the index finger on the trigger; it has no trigger guard to protect against inadvertent finger ...


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