I. Source of the Privilege. Privilege allows lawyers and clients to communicate freely and candidly, with the expectation that these communications will remain private.Solicitorclient privilege protects communications between a lawyer and their client made for the purpose of seeking or providing legal advice. Three types of possible privilege claims will be discussed below: solicitorclient privilege, litigation privilege and common interest privilege. Solicitor-client privilege also protects materials that are directly related to the seeking, formulating or giving of legal advice. Attorneyclient privilege is an important legal concept that protects most information you provide to your lawyer. It means the power to keep a communication secret and not have to reveal it to anyone. Privilege is a rule of evidence and is a matter of substantive law. Chapter 5 of the Defence Counsel Services Manual explains the rights and privileges that an accused has when requesting legal counsel. This unofficial compilation of the Rules provided for informational purposes only.