(1) An adopted person, the descendants and kindred of the adopted person shall take by intestate succession from the adoptive parents, their descendants and kindred, and the adoptive parents, their descendants and kindred shall take by intestate succession from the adopted person, the descendants and kindred of the adopted person, as though the adopted person were the biological child of the adoptive parents.
(2) An adopted person shall cease to be treated as the child of any person other than the adopted person’s adoptive parents for all purposes of intestate succession except in the following circumstances:
(a) If a person is adopted by a stepparent or a domestic partner of a parent in a domestic partnership registered under ORS 106.300 to 106.340 or under a similar law in another state, the adopted person shall continue also to be treated, for all purposes of intestate succession, as the child of the parent who is the spouse of, or other domestic partner in the domestic partnership with, the adoptive parent.
(b) If a parent of a person dies, and the other parent of the person marries or enters into a domestic partnership registered under ORS 106.300 to 106.340 or under a similar law in another state, and the person is adopted by a stepparent or the other domestic partner, the adopted person shall continue also to be treated, for all purposes of intestate succession, as the child of the deceased parent.
(3) ORS chapters 111, 112, 113, 114, 115, 116 and 117 apply to adopted persons who were adopted in this state or elsewhere.