DR 4-101 Preservation of Confidences and Secrets of a Client.

A.  "Confidence" refers to information protected by the attorney-client privilege under applicable law, and "secret" refers to other information gained in the professional relationship that the client has requested by held inviolate or the disclosure of which would be embarrassing or would be likely to by detrimental to the client.

B.  Except when permitted under DR 4-101(C), a lawyer shall not knowingly:

    1. Reveal a confidence or secret of his client.
    2. Use a confidence or secret of his client to the disadvantage of the client.
    3. Use a confidence or secret of his client for the advantage of himself 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 a full disclosure to them.
    2. Confidences or secrets when permitted under Disciplinary Rules or required by law or court order.
    3. The intention of his client to commit a crime and the information necessary to prevent the crime.
    4. Confidences or secrets necessary to establish or collect his fee or to defend himself or his employees or associates against an accusation of wrongful conduct.

D.  A lawyer shall exercise reasonable care to prevent his employees, associates, and others whose services are utilized by him from disclosing or using confidences or secrets of a client, except that a lawyer may reveal the information allowed by DR 4-101(C) through an employee.