I'm not entirely sure I agree with the comment below. The provisions of the Inheritance (Provision for Family and Dependents) Act 1975 have always allowed certain categories of people to make a claim against an estate, if they believe the disposition of that estate fails to make 'reasonable financial provision' for them. It does not mean by any stretch of the imagination that anyone will be able to challenge the estate of someone who leaves them nothing. What it does highlight however, is that those who are responsible for drafting wills need to be alert to the potential for a claim and advise their clients appropriately, if their will is not intended to provide for somebody you might expect them to