With two months to go until the first trial opens in the massive US litigation sparked by the opioid abuse epidemic, lawyers are waging a fierce fight over whether plaintiffs' expert witnesses should be allowed to testify and whether certain claims and individual defendants should be excluded from the litigation. The flood of filings offers a preview of the case each side will present and the financial stakes for opioid manufacturers, distributers and pharmacies.
Two suits – The County of Summit, Ohio v. Purdue Pharma LP and The County of Cuyahoga, Ohio v....





