Oregon Revised Statutes Probate Law § 112.735

Upon death of a married person, one-half of the property to which ORS 112.705 to 112.775 apply is the property of the surviving spouse and is not subject to testamentary disposition by the decedent or distribution under the laws of succession of this state. One-half of that property is the property of the decedent and is subject to testamentary disposition or distribution under the laws of succession of this state. With respect to property to which ORS 112.705 to 112.775 apply, the one-half of the property which is the property of the decedent is not subject to the surviving spouse's right to elect against the will.