Article L1142-21 of the French Public Health Code
I. – When the competent court, seised of a claim for compensation for the harmful consequences of acts of prevention, diagnosis or care in a health care institution, considers that the damage suffered is compensable under II of Article L. 1142-1 or under Article L. 1142-1-1, the Office shall be summoned to the proceedings if it was not initially summoned. It becomes a defendant in the proceedings. When it follows…