The Ohio Supreme Court ruled Tuesday that the state’s product liability law prohibits counties from bringing public nuisance claims against national pharmaceutical chains as they did as part

Ohio's top court ruled on Tuesday that pharmacy chain operators CVS, Walmart and Walgreens could not be held liable for fueling an opioid epidemic in two counties in the state that won a $650.9-million judgment against them.

That means a $650.9 million win in federal court for Trumbull and Lake counties is in jeopardy and it delivers a big win for CVS, Walgreens and Walmart. It also likely will influence cases against the pharmaceutical industry pending in other states.