ORS 65.051: Incorporation.

(1) Unless a delayed effective date is specified, the corporate existence begins when the articles of incorporation are reviewed, accepted and filed by the Secretary of State.

      (2) The Secretary of State’s filing of the articles of incorporation is conclusive proof that the incorporators satisfied all conditions precedent to incorporation applicable at the time of incorporation except as provided in ORS 56.080 or in a proceeding by the state to cancel or revoke the incorporation or involuntarily dissolve the corporation.