End-of-life notice: American Legal Ethics Library
As of March 1, 2013, the Legal Information Institute is no longer maintaining the information in the American Legal Ethics Library. It is no longer possible for us to maintain it at a level of completeness and accuracy given its staffing needs. It is very possible that we will revive it at a future time. At this point, it is in need of a complete technological renovation and reworking of the "correspondent firm" model which successfully sustained it for many years.
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ABA Model Rules of Professional Conduct
Comment - Rule 5.1
 Paragraphs (a) and (b) refer to lawyers who have supervisory authority over the professional work of a firm or legal department of a government agency. This includes members of a partnership and the shareholders in a law firm organized as a professional corporation; lawyers having supervisory authority in the law department of an enterprise or government agency; and lawyers who have intermediate managerial responsibilities in a firm.
 The measures required to fulfill the responsibility prescribed in paragraphs (a) and (b) can depend on the firm's structure and the nature of its practice. In a small firm, informal supervision and occasional admonition ordinarily might be sufficient. In a large firm, or in practice situations in which intensely difficult ethical problems frequently arise, more elaborate procedures may be necessary. Some firms, for example, have a procedure whereby junior lawyers can make confidential referral of ethical problems directly to a designated senior partner or special committee. See Rule 5.2. Firms, whether large or small, may also rely on continuing legal education in professional ethics. In any event, the ethical atmosphere of a firm can influence the conduct of all its members and a lawyer having authority over the work of another may not assume that the subordinate lawyer will inevitably conform to the Rules.
 Paragraph (c)(1) expresses a general principle of responsibility for acts of another. See also Rule 8.4(a).
 Paragraph (c)(2) defines the duty of a lawyer having direct supervisory authority over performance of specific legal work by another lawyer. Whether a lawyer has such supervisory authority in particular circumstances is a question of fact. Partners of a private firm have at least indirect responsibility for all work being done by the firm, while a partner in charge of a particular matter ordinarily has direct authority over other firm lawyers engaged in the matter. Appropriate remedial action by a partner would depend on the immediacy of the partner's involvement and the seriousness of the misconduct. The supervisor is required to intervene to prevent avoidable consequences of misconduct if the supervisor knows that the misconduct occurred. Thus, if a supervising lawyer knows that a subordinate misrepresented a matter to an opposing party in negotiation, the supervisor as well as the subordinate has a duty to correct the resulting misapprehension.
 Professional misconduct by a lawyer under supervision could reveal a violation of paragraph (b) on the part of the supervisory lawyer even though it does not entail a violation of paragraph (c) because there was no direction, ratification or knowledge of the violation.
 Apart from this Rule and Rule 8.4(a), a lawyer does not have disciplinary liability for the conduct of a partner, associate or subordinate. Whether a lawyer may be liable civilly or criminally for another lawyer's conduct is a question of law beyond the scope of these Rules.
Model Code Comparison
There was no direct counterpart to this Rule in the Model Code. DR 1-103(A) provided that a lawyer "possessing unprivileged knowledge of a violation of DR 1-102 shall report such knowledge to . . . authority empowered to investigate or act upon such violation."