If you are involved in an accident another person or business may be responsible, you may be eligible for filing personal injury lawsuits against the guilty party. In this situation, it is up to the plaintiff, or the person who was injured, to show evidence that another person was responsible for their accident. A personal injury attorney is often used to pursue this type of litigation as they have the experience in proving this type of case, many of the injury lawsuits will be handled by the other person's insurance. The goal of most types of injury lawsuits is to obtain a settlement for the medical and related costs associated with the injury.