The Michigan Supreme Court has reversed a ruling that allowed a negligence suit to proceed against a ski resort because, contrary to the Michigan Court of Appeals decision in the case, the release signed by the injured party was not ambiguous.

In this case involving contaminated doses of an antiviral medication, the defendants were immune from liability under the federal Public Readiness and Preparedness Act because they did not engage in “willful misconduct” by manufacturing or administering the contaminated drug to the plaintiffs, the Michigan Court of Appeals has ruled.

The Michigan Supreme Court’s recent decisions in previous cases operates retroactively and applies to all cases currently pending on direct appeal.

The trial court in this dog-bite case improperly granted summary disposition to the animal’s owners, because the dog was not provoked by the victim.