In the year and change since New Jersey’s federal district became the epicenter for a swell of litigation over bone and tissue transplants from pilfered cadavers, the cases have grown to more than 500, with no end in sight.

The multidistrict case, In re Human Tissue Products Liability Litigation, MDL No. 1763, is before U.S. District Judge William Martini. There were five cases when he was assigned the docket in June 2006 and they’ve been mounting ever since.