Nicholas Fitz, Esq. | The Fitz Law Group LLC. My client, Nicholas Fitz, has been practicing personal injury and accident law in Chicago since 1993. His firm, The Fitz Law Group LLC (fitzlawchicago.com), handles a variety of cases including, but not limited to, medical malpractice, motor vehicle accidents, workers compensation, and product liability cases. He is a champion to the millions of workers and families who suffer work-related injuries every year.