The article discusses the rationale behind the doctrine of imputed disqualification and considers various approaches that the ethics rules have taken with respect to imputed disqualification. The doctrine of imputed disqualification has changed as a result of the courts' decreased reliance on the ethics rules as the standard upon which disqualifications are based. Finally, these approaches are used as a basis for proposing standards for applying the ethics rules in determining whether or not to grant a disqualification motion. If used properly, Chinese walls should protect client- attorney confidentiality without restricting attorney mobility and other clients' right to counsel of choice. 191 notes