The dialogue between judges covers several realities. The aspect studied in this thesis is the dialogue between the French Court of Cassation and the other judges: national, European, international and foreign judges. This dialogue between judges takes place through the courts decisions which can be available and read on internet. This phenomenon is recent and was born with the growth of the comparative science. We can establish that the dialogue between judges in France is going to grow in a near future. We can also see that the dialogue between judges as already made some consequences. First, it has given a new place for the French court in the national and international stage. Then, it can be used as an actual instrument for judges.