Article discusses interaction between general ethical theories and models of legal ethics from the perspective of their practical application. The professional conduct of lawyers is governed both by legal norms and by requirements of ethics. However, if the legal responsibility of a lawyer is relatively well defined, the ethical responsibility often remains to be fully elucidated. Meanwhile, performing his professional duties lawyer, it often faced with ethical dilemmas, where it is difficult to find a clear answer to the question what a lawyer's behavior is justified from the point of view of ethics. The problem in part is dealt with codification of certain rules of ethical conduct. However, rules of conduct themselves alone are not able t...