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In Get the Most From Engineering Experts, Christopher L. Brinkley writes on how thorough preparation of engineering expert witnesses is the key to winning your case. In this excerpt Brinkley discusses challenges you may face regarding their expert witness testimony.

As a threshold matter, engineering experts must satisfy the jurisdiction’s criteria for the admissibility of expert testimony and must support their work accordingly. In the federal courts, Federal Rule of Evidence 702 and the Daubert trilogy of cases provide the prerequisites for admissibility. Under Daubert, expert evidence must be relevant and based on sound reasoning and methods. To determine if an expert’s analysis is reliable, the trial court must consider whether the underlying methodology has been tested, has been subjected to peer review and publication, has an identifiable error rate, has standards controlling the application of the technique, and has been generally accepted in the field.

Excerpted from Trial Magazine, November 2007

The U.S. Court of Appeals, 10th Circuit, affirms lower court ruling on expert witness testimony. In Mariposa Farms, LLC. v. Westfailia-Surge, Inc., 2007 U.S. App. LEXIS 473, Westfalia unsuccessfullly tried to discredit farm equipment expert witness testimony. The higher court found that Dr. Sybren Reitsma’s and Dr. Corbett’s testimony provided the jury with sufficient evidence to find that Westfalia was negligent and breached its warranties.

Mariposa Farms, Inc. filed suit in July 2003 against Westfalia alleging negligence and breach of warranty resulting from the installation and operation of cow-milking equipment manufactured by Westfalia. Mariposa alleged that the equipment malfunction created unstable vacuum pressure, which eventually caused mastitis to spread throughout its herd.
At trial, Mariposa expert witness Dr. Sybren Reitsma testified that, based on photographs and conversations with Mariposa’s principal manager Larry Skelley, it was his expert opinion that the design and installation of Westfalia’s vacuum system caused the unstable vacuum pressure which led to the mastitis outbreak. Another Mariposa expert witness, Dr. Robert Corbett, opined that the milking machine equipment malfunction caused the mastitis spread because, in his experience, the bacteria could not spread as rapidly as it did without the presence of a milking machine malfunction

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Naples gastroenterologist Dr. Michael Marks is named in a medical malpractice wrongful death suit involving Judith Dill’s death on April 25, 2003. Expert witness Dr. Ciaran P. Kelly testified that Judith Dill’s condition was caused by a post-operative ileus, which acts like a blockage because it prevents passage of intestinal contents. Gastroenterologist expert Dr. Kelly said Marks should never have ordered a bowel preparation, magnesium citrate, because Judith Dill hadn’t eaten in eight days.

Naples Daily News reports that Dr. Marks performed an endoscopy on April 9 and on April 12, the colonoscopy. During the colonoscopy, Dill vomited violently, aspirating her vomit, which went into her lungs, later causing infection and death on April 25, 2003.