Jacques-Cartier Estate Lawyer, Quebec

To deliberately prevent someone from inheriting something. This is usually done by a provision in a will stating that someone who would ordinarily inherit property -- a close family member, for example -- should not receive it. In most states, you cannot completely disinherit your spouse; a surviving spouse has the right to claim a portion (usually one-third to one-half) of the deceased spouse's estate. With a few exceptions, however, you can expressly disinherit children.

The method by which property is distributed when a person dies without a valid will. Each state's law provides that the property be distributed to the closest surviving relatives. In most states, the surviving spouse, children, parents, siblings, nieces and nephews, and next of kin inherit, in that order.

A type of trust for wealthy married couples that allows a surviving spouse to postpone estate taxes. A QTIP trust allows the surviving spouse to make use of the trust property tax-free. Taxes are deferred until the surviving spouse dies and the trust property is received by the final trust beneficiaries, who were named by the first spouse to die.

A bypass trust funded with an amount no larger than the personal federal estate tax exemption in the year of death. If the trust grantor leaves property worth more than that amount, it usually goes to the surviving spouse. The trust property passes free from estate tax because of the personal exemption, and the rest is shielded from tax under the surviving spouse's marital deduction.

The inability, as determined by a court, to handle one's own personal or financial affairs. A court may declare that a person is incompetent after a hearing at which the person is present and/or represented by an attorney. A finding of incompetence may lead to the appointment of a conservator to manage the person's affairs. Also known as 'incompetency.'