Attorneyclient privilege is a rule that protects communication between a lawyer and their clients. The principle that the attorney-client privilege attaches to third-party consultants also has been applied to representatives of the attorney, such as.This publication is not intended to provide legal advice but to provide general information on legal matters. Is the Attorney Investigator Acting in the Capacity of an Attorney? First, they must show they approached counsel for the purpose of seeking legal advice. Another interesting example is public relations consultants. In. I am a Sole Prop looking to have a customer client contract (template) to provide consulting services in the construction Industry. The party claiming the work product privilege must prove that the materials are: 1. Documents and tangible things;. 2.