Carol Apperson, Sandra Bott, Danella Poling v. E.I. Du Pont De Nemours & Company, Janet Styck v. E.I. Du Pont De Nemours & Company

CUDAHY, Circuit Judge.

The plaintiffs in these diversity cases brought products liability actions against E.I. du Pont de Nemours and Company (DuPont) claiming they were injured by medical prostheses manufactured with DuPont materials. The district court granted summary judgment in favor of DuPont, and the plaintiffs’ suits were consolidated on appeal.

I

After experiencing problems with their temporomandibular joints (TMJ) (the joint connecting the upper and lower jaw), the plaintiffs received a medical prosthesis known as the Proplast TMJ Interpositional Implant. After implantation, plaintiffs…