Cumming Car Accident Lawyer, Attorney Steven Leibel Personal Injury Lawyer / Auto Accident Lawyer Cumming, Georgia - Leibel Law - If you have been injured due to the negligence of another, it may benefit you to contact Leibel Law. Attorney Leibel has not only been practicing personal injury law since 1988; he has also received a 10.0 Superb Avvo Rating. The team understands how overwhelming it is to be involved in an accident-especially when the cause of that accident was someone else's wrongdoing. When an individual retains their representation, the team examines every detail, gathers all the information, and builds the strongest case possible.