Talcum Powder Mesothelioma Lawsuit Yesterday, the Oakland mesothelioma trial against JJ ended with closing arguments. The plaintiff, who is 24 years old, recounted his personal story of fear and devastation following his cancer diagnosis. JJ has won a number of defense verdicts over the past 14-month period in talcum-powder trial. One huge ruling could alter the talcum-powder spectrum. What is Mesothelioma? Mesothelioma affects the mesothelium, which is the lining membrane that surrounds certain organs of the body. The mesothelium i