Law Commons^™

Accessory Disloyalty: Comparative Perspectives On Substantial Assistance To Fiduciary Breach, Deborah A. Demott

Faculty Scholarship

Culpable participation in a fiduciary's breach of duty is independently wrongful. Much about this contingent form of liability is open to dispute. In the United States, well-established general doctrine defines the elements requisite to establishing accessory liability, which is categorized as a tort and often referred to as "aiding-and abetting" liability. What's controversial is how the tort applies to particular categories of actors, most recently investment banks that advise boards of target companies in M&A transactions. In the United Kingdom, in contrast, accessory liability in connection with a breach of trust or fiduciary duty is controversial because the law is …