Oregon Revised Statutes (O.R.S.)
Title 16. Crimes and Punishments
Chapter 161. General Provisions
161.209 Use of physical force in defense of a person.
Except as provided in ORS 161.215 and 161.219, a person is justified in using physical force upon another person for self-defense or to defend a third person from what the person reasonably believes to be the use or imminent use of unlawful physical force, and the person may use a degree of force which the person reasonably believes to be necessary for the purpose.