In most personal injury cases in New York, you have three years from the date of the accident to file a lawsuit. However, there are important exceptions that can significantly shorten this deadline. Claims against a municipality or government entity, for example, require that a Notice of Claim be filed within 90 days of the accident. Medical malpractice cases carry a two and a half year statute of limitations. Missing these deadlines can permanently bar you from recovering compensation, which is why it is critical to consult an attorney as soon as possible after an accident.