Oregon Revised Statutes Trade Regulations and Practices § 646.770

(1) Any person including the state or any municipal corporation or political subdivision threatened with injury in its business or property by a violation of ORS 646.725 or 646.730 may prosecute a suit for equitable relief, and in addition to such relief shall recover the costs of suit, including necessary reasonable investigative costs and reasonable experts' fees.

(2) Except as provided in subsection (3) of this section, in an action brought under the provisions of this section by a person other than the state or any municipal corporation or political subdivision of the state, the court may award reasonable attorney fees to the prevailing party. Except as provided in subsection (3) of this section, in a civil action brought under the provisions of this section by the state or any municipal corporation or political subdivision of the state:

(3) The court may not award attorney fees to a prevailing defendant under the provisions of subsection (2) of this section if the action under this section is maintained as a class action pursuant to ORCP 32.