This is determined by the statute of limitations for your claim. The statute of limitations sets a legal time frame for filing a lawsuit. Once the time frame passes, you are no longer allowed to file a claim over your injury. There are various statutes of limitations for Ohio personal injury claims. The statute for most personal injury claims is two years from the date when negligence occurred. There are different statutes for medical malpractice, products liability, premises liability and wrongful death claims.