One defense to a legal malpractice case is that the plaintiff could never have collected any money from the defendant in the underlying case. This defense is rarely asserted, but it can be very effective. In a malpractice case, you must prove what the outcome of the underlying case would have been absent negligence. This type of proof is imperfect because some speculation is involved.
For example, client sues an entity that is insolvent. Client’s lawyer makes an error that causes the client to lose the case (such as missing the statute of limitations). Client sues his former lawyer. Under the insolvency defense, client loses the case because he could not have collected anyway and thus the lawyer did not “cause” the loss of his recovery.
In Ewing v. Westport Insurance Company, CA – 19-551, the court rejected the insolvency defense. The opinion explains that the defense of insolvency was not proven: