Michigan Rules of Professional Conduct
Rule: 1.6 Confidentiality of Information
(a) “Confidence” refers to information protected by the client-lawyer privilege under applicable law, and “secret” refers to other information gained in the professional relationship that the client has requested be held inviolate or the disclosure of which would be embarrassing or would be likely to be detrimental to the client.
(b) Except when permitted under paragraph (c), a lawyer shall not knowingly:
(1) reveal a confidence or secret of a client;
(2) use a confidence or secret of a client to the disadvantage of the client; or
(3) use a confidence or secret of a client for the advantage of the lawyer or of a third person, unless the client consents after full disclosure.
(c) A lawyer may reveal:
(1) confidences or secrets with the consent of the client or clients affected, but only after full disclosure to them;
(2) confidences or secrets when permitted or required by these rules, or when required by law or by court order;
(3) confidences and secrets to the extent reasonably necessary to rectify the consequences of a client’s illegal or fraudulent act in the furtherance of which the lawyer’s services have been used;
(4) the intention of a client to commit a crime and the information necessary to prevent the crime; and
(5) confidences or secrets necessary to establish or collect a fee, or to defend the lawyer or the lawyer’s employees or associates against an accusation of wrongful conduct.
(d) A lawyer shall exercise reasonable care to prevent employees, associates, and others whose services are utilized by the lawyer from disclosing or using confidences or secrets of a client, except that a lawyer may reveal the information allowed by paragraph (c) through an employee.