A:The length of your personal injury lawsuit will depend on several factors: 1. How willing the other party is to negotiate a fair settlement. 2. How severe your injuries are and how much compensation you will need to get back on your feet. 3. How difficult it is to prove negligence in your case. Accident lawsuits can last anywhere form a few weeks to several years. If you speak with our team we can give you a better idea of what to expect if you choose to move forward with a car accident lawsuit.