L'évaluation de la perte de chance en responsabilité médicale, une mission à repréciser pour l'Expert

Loss of opportunity, which today is considered as a prejudice in its own right, both for the French Supreme Court and the Council of State, remains undeniably difficult to assess in practice. For many years, the issue of compensation for breach of duty of disclosure gave the various courts the ability to roadtest this concept. However, although the criteria defining this concept, of judicial origin, have been established, the modus operandi allowing the judge to quantify it does not exist. How can this portion of personal injury be determined in relation to the size of the opportunity lost? This is primarily a technical issue, similar to that of assessing a disability rate. However, this request does not feature in typical common law missions for judicial or administrative medical expertise. The judge alone is left to assess this probability, whereas the expert would be in a position, as far as possible, to provide scientific and statistical assistance enabling a better definition of loss of opportunity.