Why must clients receive full disclosure before consenting to a possible conflict of interest?

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illustration from Charles Dickens's Bleak House — Legal ethics Illustration by Hablot Knight Browne for Charles Dickens's *Bleak House*. Here Lady Dedlock is visited by her cunning old lawyer, who discovers her deepest secret and threatens to reveal it to her husband.

In the context of legal ethics, full disclosure is a fundamental requirement because it ensures that a client can make an informed and autonomous decision regarding their representation when their interests may be compromised.1

A lawyer has a primary duty to provide full and faithful representation to their client. When a potential or actual conflict of interest arises—such as representing multiple parties with inconsistent goals or pursuing the lawyer's own interests—the integrity of the attorney-client relationship is at risk. By requiring full disclosure, the legal system upholds the ethical principle that a client must be fully aware of the risks and implications of a conflict before they can provide valid consent.1

Ultimately, this transparency is essential because even with a client's informed consent, representation may still be prohibited if the conflict is deemed to adversely affect the public interest. This safeguard ensures that the pursuit of private legal objectives does not undermine the broader standards of justice and professional conduct.1