Re Y (Experts and Alienating Behaviour: The Modern Approach) [2026] EWFC 38

The President of the Family Division, Sir Andrew McFarlane, handed down an important judgment on 20 February 2026 reshaping the Family Court’s approach to expert witnesses and allegations of alienating behaviour. The case concerned private law children proceedings, in which the court set aside a finding that the mother had alienated the children from their father.