Pennsylvania-supreme-court-buildingOn November 22, 2016, the Pennsylvania Supreme Court issued a 4-2 Opinion in Rost v. Ford Motor Co., No. 56 EAP 2014, 2016 Pa. LEXIS 2638 (Pa. Nov. 22, 2016), in which the court purported to uphold and expand upon prior asbestos causation decisions set forth in Gregg v. V-J Auto Parts, Co., 596 A.2d 274 (Pa. 2007), and Betz v. Pneumo Abex, LLC, 44 A.3d 27 (Pa. 2010). However, when juxtaposed against the dissents of Chief Justice Saylor—the author of both Gregg and Betz—and Justice Baer, it becomes evident that the majority opinion creates an additional obstacle for defendants (particularly low-dose defendants) on the path toward exculpation.

In the opinion, the majority upholds a plaintiff’s verdict against Ford Motor Company for a plaintiff, Mr. Rost, who alleged he had experienced direct occupational bystander exposure to asbestos from Ford products while working as a “gofer” in an automotive repair garage over a three month time period. Ford challenged the verdict on two grounds: i) the plaintiff’s expert, Dr. Frank’s, causation opinion was impermissibly before the jury when the opinion amounted to an “each and every breath” opinion (which the court explicitly rejected in both Gregg and Betz) and, with respect to substantial factor causation, Dr. Frank’s opinion failed to take into account plaintiff’s other industrial occupational exposure during which Mr. Rost was exposed to asbestos “at pretty high levels” over at least a ten year period; and ii) the trial court erred in consolidating Mr. Rost’s case with other non-related mesothelioma cases.

Dr. Frank testified generally that mesothelioma is a dose-response disease wherein as the dose increases, the likelihood of developing the disease increases. He also testified that it is scientifically impossible to identify a particular exposure that caused the plaintiff’s disease where there were four sources of exposure, but that the causative agent was a series of exposures. Mr. Frank asserted that all documented exposures should be considered as contributing to the plaintiff’s development of disease, and concluded that it is not possible to quantify how much asbestos initiates the disease process and that it also varies according to individual susceptibility. After testifying to those opinions generally, Dr. Frank testified using a hypothetical that exposure to Ford products specifically was a substantial contributing factor to the plaintiff developing mesothelioma. Dr. Frank asserted “if [the three month exposure to Ford products] would have been [Mr. Rost’s] only exposure, I would be sitting here saying that that was the cause of his disease. Given that he had other exposures, it was all contributory.” Rost, No. 56 EAP 2014, 2016 Pa. LEXIS 2638, at *13.

Plaintiff’s Expert’s Conclusory Opinion Satisfied the Causation Standard

The majority began its analysis by revisiting two prior decisions—Gregg and Betz. In Gregg, the court rejected the “each and every breath” theory of causation as insufficient to create a factual issue to submit to the jury. In Betz, the court determined that a plaintiff must adduce evidence that exposure
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