In 1995, the Texas Supreme Court ruled that state judges must act as gatekeepers, striking expert evidence they deem unreliable. Ever since that case,E.I. du Pont de Nemours & Co. v. Robinson, the breast implant litigation has been grinding to a halt, says David Herrick, of Herrick & Associates.

And the 33 year-old Dallas lawyer has been there every step of the way, challenging plaintiffs’ causation experts.