In Herren v. Armenta, 1-CA-CV-18-0381, the plaintiff sued her former lawyers alleging that they committed legal malpractice when the represented her in another case (the underlying case). In the underlying case, Tonto Supply, Inc., sued Herren for breach of contract and other torts. Herren alleged that her lawyers were negligent because they failed to timely respond to requests to admit and to several motions for summary judgment, resulting in a judgment against her.
This case presented a common problem with legal malpractice actions – would Herren have won the underlying case if the lawyers had responded in timely fashion?
In the malpractice case, Herren had the burden to prove that the lawyer’s negligence was the cause of her loss. She was unable to meet that standard, despite the fact that she hired an expert. The court explains its decision to affirm the dismissal of the malpractice case: