Oregon Revised Statutes Domestic Relations § 108.090

(1) A conveyance, transfer or lien executed by either spouse in a marriage to or in favor of the other spouse is valid to the same extent as between other persons.

(2) When a spouse conveys to the other spouse an undivided one-half of any real property and retains a like undivided half, and in such conveyance there are used words indicating an intention to create an estate in entirety, the spouses hold the real property described in the conveyance by the entirety.

(3) A conveyance from a spouse to the other spouse of the spouse's interest in an estate held by the spouses by entirety is valid and dissolves the estate by entirety. All deeds heretofore executed by either spouse to the other spouse for the purpose of dissolving the estate by entirety are valid.