Oregon Revised Statutes Insurance § 742.407

(1) As used in this section:

(2) An insurer may not decline or refuse to defend or indemnify a health practitioner or a health care facility with respect to a claim, for any reason that is based on the disclosure to the patient or the patient's family by the health practitioner or facility of an adverse event or information relating to the cause of an adverse event.

(3) A policy or contract of insurance or indemnity may not include a provision or term excluding or limiting coverage based on the disclosure to a patient or the patient's family by a health practitioner or facility of an adverse event or information relating to the cause of an adverse event.