ORS 125.820: Jurisdiction.

A court of this state has jurisdiction to appoint a guardian or issue a conservatorship order for a respondent if:

      (1) This state is the respondent’s home state;

      (2) On the date the petition is filed, this state is a significant-connection state and:

      (a) The respondent does not have a home state or a court of the respondent’s home state has declined to exercise jurisdiction because this state is a more appropriate forum; or

      (b) The respondent has a home state, a petition for an appointment or order is not pending in a court of that state or another significant-connection state and, before the court makes the appointment or issues the order:

      (A) A petition for an appointment or order is not filed in the respondent’s home state;

      (B) An objection to the court’s jurisdiction is not filed by a person required to be notified of the proceeding; and

      (C) The court in this state concludes that it is an appropriate forum under the factors set forth in ORS 125.827;

      (3) This state does not have jurisdiction under either subsection (1) or (2) of this section, the respondent’s home state and all significant-connection states have declined to exercise jurisdiction because this state is the more appropriate forum and jurisdiction in this state is consistent with the Oregon and United States Constitutions; or

      (4) The requirements for special jurisdiction under ORS 125.822 are met.