An interesting statistic that more children are challenging their parents' estates.  Some of these may be genuine issues relating to out-of-date Wills, not reflecting current wishes, or parents on second marriages who die without a Will, or of course as this article implies, there may be an element of greed.

Keeping your Will up-to-date and making your wishes known are the best ways to ensure your estate does not have to bear the cost of a dispute.