Oregon Revised Statutes Crimes and Punishments § 164.035

(1) In a prosecution for theft it is a defense that the defendant acted under an honest claim of right, in that:

(2) In a prosecution for extortion committed by instilling in the victim a fear that the victim or another person would be charged with a crime, it is a defense that the defendant reasonably believed the threatened charge to be true and that the sole purpose of the defendant was to compel or induce the victim to take reasonable action to make good the wrong which was the subject of the threatened charge.

(3) In a prosecution for theft by receiving, it is a defense that the defendant received, retained, concealed or disposed of the property with the intent of restoring it to the owner.

(4) It is a defense that the property involved was that of the defendant's spouse, unless the parties were not living together as spouses in a marriage and were living in separate abodes at the time of the alleged theft.