A Practice Note analyzing the key issues in determining whether a communication is between an attorney and a client and therefore potentially within the scope of the attorney-client privilege in a civil matter in Ohio. Specifically, this Note discusses the privilege rules as they relate to the role of the attorney, including in-house counsel, and agents of the attorney. This Note also explains the role of the client, including prospective clients, former clients, joint clients, and corporate clients, as well as agents of the client.