Estate of McMahon CA1/1

Good Law
Court of Appeal of CaliforniaNovember 24, 2025A170254California6,548 words

Opinion

Opinion

Banke, J.

BACKGROUND

David McMahon was an attorney who specialized in performing legal audits—i.e., he reviewed attorneys’ fees for insurance companies and other individuals and entities to make sure they were reasonable and necessary, and that the client was not overpaying. McMahon also testified at trials as an expert witness with respect to the reasonableness of such fees. To perform this work, McMahon was required to generate detailed audits of the billing records at issue. In January 2016, McMahon left his partnership with a law firm and went into business for himself, focusing on his legal audit work. He enlisted the services of Victoria Boyko, his former legal assistant; Bogdan Viner, Boyko’s life partner who had a background in IT; and Esfir, Bogdan’s sister who had an accounting background. After working together successfully for slightly over a year, McMahon’s relationships with Boyko, Bogdan, and Esfir soured, and they ceased working for him. In April 2019, Bogdan filed a complaint against McMahon, alleging, as relevant here, causes of action for unpaid wages (Lab. Code, §§ 201, 204); waiting time penalties (id., § 203); unfair business practices under the Unfair Competition Law…

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