The plaintiff filed a malpractice claim against her divorce lawyers. However, her claim did not succeed because she did not provide expert testimony. That testimony, from a family law lawyer, would be necessary to show negligence.
This is one of those truths that we cannot repeat enough times – an expert is needed to show how the lawyer’s performance fell short of the standard of care.
Source: Nolan v. Ernst, 2017 Ohio 1011 – Ohio: Court of Appeals, 12th Appellate Dist. 2017 – Google Scholar