In what asbestos litigation defendants hope will become a growing trend, the United States District Court for the District of Maryland recently drew a clear distinction between expert testimony as it relates to causation of both pleural mesothelioma (affecting the lining of the lung) and peritoneal mesothelioma (affecting the stomach). In Rockman v. Union Carbide Corp, et al., 1:16-cv-01169-RBD, 2017 WL 3022969, the court recently granted defendant Union Carbide and Georgia-Pacific’s motion to preclude expert testimony as to causation and in turn, sustained defendants’ motions for summary judgment.
Rockman involves plaintiff Jeffrey Rockman, who allegedly developed peritoneal mesothelioma resulting from asbestos exposure during three minor home repair projects in 1965, 1973 and 1976; all lasting no more than several weeks in total. It is undisputed that plaintiff did not perform those home repairs himself, but rather hired a handyman. Mr. Rockman contends that Georgia-Pacific “Ready Mix” joint compound was used in all three repairs, that it contained Union Carbide asbestos, and that its use generated asbestos-containing dust, to which he was exposed. Plaintiff was merely a bystander.
In support of his claims, plaintiff submitted the expert testimony of Dr. Jerrold Abraham, Dr. Arthur Frank and Dr. Arnold Brody who specifically concluded that plaintiff’s alleged exposures to Union Carbide chrysotile asbestos contained in Georgia-Pacific’s Ready Mix joint compound caused him to develop peritoneal mesothelioma. Additionally, Dr. Brody concluded that “each and every” exposure to asbestos “cumulates” and should therefore be considered a cause of the injury, regardless of the type of mesothelioma, the exposure dosage, or the type of asbestos. In reaching these conclusions, plaintiff’s experts relied on numerous studies of pleural mesothelioma despite reports from Dr. Abraham and Dr. Brody acknowledging that peritoneal mesothelioma is typically caused by higher exposure levels than pleural mesothelioma.
In assessing the reliability of plaintiff’s expert’s testimony, the court turned to Rule 702 of the Federal Rules of Evidence as well as the long established U.S. Supreme Court interpretation of Rule 702 set forth in Daubert v. Merrell Dow Pharm., Inc., 509 U.S. 579, 588 (1993) and recently reaffirmed in Bresler v. Wilmington Trust Co., 855 F.3d 178, 195 (4th Cir. 2017) allowing the courts to “act as a gatekeeper to ensure that testimony is relevant and reliable”. Id. In assessing the validity of the methodology employed by a proposed expert witness, a court may consider whether the expert witness’ theory or technique: (1) can be or has been tested; (2) has been subject to peer review and publication; (3) has a high known or potential rate of error; and (4) is generally accepted within a relevant scientific community. Id.
Ultimately, the Court determined that plaintiff’s expert’s specific causation opinions are not the product of reliable principles and methods as required by Rule 702. Contrary to the factors set forth in Daubert, Drs. Abraham and Frank had improperly drawn conclusions about a case involving peritoneal mesothelioma and low-level bystander exposure to chrysotile asbestos, basing their opinions entirely on prior
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