How Long After A Car Accident Injury One Has To File A Personal Injury Claim In California – Usually car accidents and slip-and-falls have the two-year statute of limitations, much of which is based upon the fact that there’s an understanding that people who suffer injuries from the personal injury claims, whether it’s a car accident or a slip-and-fall, might not know the extent of the injuries and/or might not know the extent of the medical costs associated with that injury.