Privileged Communications
Solicitor-client privilege is the legal protection given at common law to communications between lawyers and their clients. Since the privilege belongs to the client and not the lawyer, only the client can waive it.
As a result, lawyers have a legal and professional obligation to refuse to make disclosure of privileged communications, except where the client has waived the privilege; or unless the lawyer is compelled to do so, by a court of competent jurisdiction.
This protection from disclosure assures that client can be absolutely candid with their lawyer without any fear that what is communicated between them will subsequently be used for another purpose, except with their prior consent.
The privilege between solicitor and client is a fundamental right; without it, the legal system could not function: Smith v. Jones (1999), 132 C.C.C. (3d) 225, (S.C.C.) per Cory J. at p. 239 who said,