About COSSE' LAW FIRM, L.L.C. Welcome to Cossé Law. We are New Orleans Top Personal Injury Law firm. If you have been injured and are looking for legal answers, you have come to the right place. We help victims of Auto Accidents, Medical Malpractice, Truck Accidents, Product Liability, Slip and Fall, Brain and Head Traumas, Spinal Injuries, Motorcycle Accidents, Fire and Explosion Injuries and more. Call us right now for a free consultation.