Or. Rev. Stat. § 40.172
(1) In any proceeding, any party may introduce evidence establishing a pattern, practice or history of abuse of a person and may introduce expert testimony to assist the fact finder in understanding the significance of such evidence if the evidence:
Note: 40.172 was added to and made a part of 40.010 to 40.585 by legislative action but was not added to any smaller series therein. See Preface to Oregon Revised Statutes for further explanation.
[1997 c.397 §2]