Mass Tort & MDL Plaintiff Funding in Michigan

Michigan gives an injured plaintiff three years to bring a mass tort claim (MCL 600.5805(2)). Michigan's 'useful safe life' mechanism (MCL 600.2946) is directly relevant to a mass tort involving an older product or exposure: there is a rebuttable presumption that a product is not defective if the harm was caused after the product's useful safe life expired, generally understood to run around 10 years after first purchase or lease — unless the manufacturer had actual knowledge of the defect at the time it left the manufacturer's control and withheld that knowledge, an exception that squarely applies to the manufacturer-concealment fact patterns common in mass tort litigation.

Michigan applies a hybrid comparative-fault rule to a mass tort claim: economic damages are allocated on a pure comparative basis regardless of the plaintiff's percentage of fault, while non-economic damages are barred entirely once the plaintiff is more than 50% at fault (MCL 600.2959), since Michigan's product liability statute incorporates this general comparative-fault scheme into a strict-liability claim as well as a negligence claim.

Michigan does not impose a general cap on compensatory damages in an ordinary mass tort action; Michigan's statutory damages caps under MCL 600.1483 are specific to medical malpractice and do not extend to this case type.

Michigan calculates pre-judgment interest on a money judgment from the date the complaint was filed under MCL 600.6013, applying a statutorily set rate through the date of judgment; a claim resolved through a global settlement matrix instead receives an allocated award rather than a judgment carrying statutory interest.

A Michigan mass tort claim filed in or removable to federal court can be transferred to a federal MDL under 28 U.S.C. §1407 for coordinated pretrial proceedings. Michigan does not maintain a widely known dedicated state-level mass tort coordination program comparable to New Jersey's or Pennsylvania's; a Michigan-filed mass tort claim not consolidated federally generally proceeds under ordinary Michigan civil procedure and venue rules (MCL 600.1629).

Michigan has no dedicated consumer litigation funding statute. No statutory cap.

How does Michigan's useful-safe-life presumption shape a mass tort claim involving decades-old exposure?

If the product's useful safe life has expired, Michigan presumes it was not defective, shifting the practical burden onto the plaintiff population to show the manufacturer knew about the defect and concealed it — a showing that, in a well-developed mass tort, is often exactly what the underlying MDL's shared discovery is aimed at establishing for the plaintiff group as a whole.

This means the strength of a specific Michigan claim within an older-exposure mass tort often depends heavily on how developed the common concealment evidence already is in the broader coordinated proceeding, since that shared evidentiary record — not just the individual plaintiff's own facts — is what typically overcomes the useful-safe-life presumption.

Why does Michigan's split economic/non-economic comparative-fault rule matter for valuing a mass tort claim?

Because economic damages are never barred by the plaintiff's fault while non-economic damages are barred entirely past 50% fault, a Michigan mass tort claim's expected value depends heavily on the mix between documented economic losses — medical costs, lost income — and pain-and-suffering-type damages.

A claim with substantial, well-documented economic losses retains meaningful value in Michigan even where there is some comparative-fault or causation-strength exposure on the non-economic side, which is a distinction worth building explicitly into any Michigan mass tort funding assessment.