Disputes over wills in Cyprus are becoming increasingly common, particularly where concerns arise about the testator’s mental capacity, undue influence, or failure to follow legal formalities. Cyprus law sets strict requirements for a valid will, including sound mind, proper execution, and compliance with forced heirship rules that protect close family members. This article explains the main legal grounds for challenging a will, the court procedure involved, and what happens if a will is declared invalid, offering a practical overview of how inheritance disputes are handled under Cyprus law.