Introduction
First Part: "Amicus Curiae" - Background, Typology, and Definitions
"Amicus Curiae" - Definitions and Interpretations
The Advantages and Disadvantages of the Amicus
The Historical Development of "Amicus Curiae" and the Reasons for its Emergence
Second Part: The Phenomenon of the Amicus Curiae and the Rise of Third Parties in the Trial
The Common Law
International Law
The Civil Law
Third Part: The "Amicus Curiae Phenomenon" - Causes, Explanations, and Meaning
The Changes that Took Place in the Judicial System
The Changes in the Judicial System and the "Amicus Phenomenon"
Summary and Conclusions.