Oregon Revised Statutes Domestic Relations § 109.332

(1) When a petition has been filed under ORS 109.309 concerning the adoption by a stepparent of a child, a grandparent served with a copy of the petition under ORS 109.315 may file a motion with the court asking the court to award a grandparent the right to regular visitation with the child after the adoption. A motion under this subsection must be filed no later than 30 days after service of the petition.

(2) The court shall award a grandparent visitation rights only if the court finds by clear and convincing evidence that:

(3) As used in this section, “grandparent” includes a grandparent who has established custody, visitation or other rights under ORS 109.119.