This text is designed to help a law student recognize and understand the basic principles and issues of law covered in a law school course on professional responsibility. It can be used both as a study aid when preparing for classes and as a review of the subject matter when studying for an examination. The law is succinctly stated, and exceptions to the rules are stated in the text. Rules and exceptions have purposely been condensed to facilitate quick and easy recollection. For an in-depth study of a point of law, citations to major student texts are given.