Although the Quarts de Chaume is only a small appellation of some 50 hectares and Coteaux du Layon Chaume slightly bigger with 70 hectares, there will be more riding on the decision by the Conseil d'Etat. Quarts de Chaume is intended to be the first Loire grand cru but not necessarily the last. Other special sites or terroirs could become grand crus if they adopted similarly strict regulations that the the Quarts de Chaume have accepted. If the Conseil d'Etat upholds Baumard's legal challenge, the possibility of Loire grands crus will be thrown into question. It may also mean that the use of cryo-selection/cryo-extraction will again be permitted for Anjou sweet wines undermining much the progress that has been achieved in the years since the mid to late 1980s.
See also here on decanter.com