Insurers have joined a Michigan Supreme Court case challenging expert witness testimony that led to an asbestos injury settlement for a Detroit man who died of mesothelioma.

In a friend-of-court brief they and other business groups argue that courts should not allow a “handful of experts” espousing “speculative opinions” to expand the scope of those who win money damages from alleged exposure to asbestos in the workplace.

The witness in the case at issue, they contended, ignored medical studies and “accepted science.”

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