Effective Legal Remedy (ELR) is a legal concept of universal value. Its primary purpose is the protection of individual rights and freedoms against violation. It serves to safeguards the effectiveness of the enacted and applied law. The book presents and discusses current standard of Effective Legal Remedy concept in European Law as it is or may be referred to criminal justice system. The research is based on a thorough analysis of jurisprudence of European Court of Human Rights and Court of Justice European Union. Is also supplemented by an analysis of the ELR's implementation of the European Parliament's directives on individual rights in criminal matters. Offers a perspective on the use of the ELR to integrate the criminal justice system in Europe.