A lawyer may interview ex parte a client's employee concerning litigation with the employee's former employer, subject to the limits recognized in Lang v. The Arizona Court of Appeals interpreted the attorneyclient privilege broadly in favor of corporations and other entities using corporate counsel.Communications with former employees of client. This article explores those cases and suggests best practices for companies to follow to protect communications between employees regarding legal matters. So, when facing forks in the road involving former employees, choose wisely. Legislative Review, Arizona's Attorney–Client Communication Privilege for Corporations,. Incorporate software intended for use in law offices. Communications with former employees of client. In Upjohn, the Supreme Court did not fully outline how the attorneyclient privilege applies to communications with former employees. Tion is pending in the federal courts and an intentional waiver of part of the privileged communications has occurred.