This is a long-standing legal principle known as attorney-client privilege, which means that communication between attorneys and clients is confidential. The attorney-client privilege protects confidential communications made during an attorney client relationship from disclosure.What is attorney client privilege (ACP)? Explore the intricacies of attorney-client privilege in California business litigation with LawPLA. Protect your business with knowledgeable legal counsel. It simply provides that a client has the privilege to not disclose confidential communications made between them and their attorney. When you seek the lawyer's assistance in carrying out or planning a crime or a fraud. Log in to Constant Contact small business engagement marketing tools.