Yes, there is a limited amount of time from the date of the accident in which you can sue to obtain compensation, but this will be based on the type of claim being brought, as well as who the defendant is. For example, the statute of limitations against a municipality or other governmental entity will be much shorter than it would be against a private person or business. That being the case, it is crucial that you talk to an Illinois lawyer as soon as possible because any delay could bar your case forever.