( September 1, 2026, 12:07 PM EDT) -- LOS ANGELES — A California appellate court on Aug. 31 denied a writ of mandate that Exxon Mobil Corp. filed challenging a trial judge’s conclusion that the company must submit definitive evidence of genetic causation before he would permit genetic testing, which the company warned in a writ of mandate would effectively prevent defendants in Los Angeles asbestos and other toxic tort cases from raising genetic causation defenses....