Incorrectly Witnessed Wills - Grounds For Dispute

One of the grounds for contesting someone's will is that it was not witnessed legally, therefore rendering the execution of the document invalid and providing you with good reason to challenge it.  But what are the criteria that govern the legal witnessing a will? Read on to find out more. What defines a 'witness'? As far as the law is concerned, a 'witness' is defined as someone who observes a particular event; for example, the signing of a will is willing to confirm that the event actually happened What does the law say about witnessing a will?