Oregon Revised Statutes Cities § 222.700

(1) The merger shall not affect any suits, actions or proceedings pending in any court in which the city surrendering its charter is a party, but all such suits, actions and proceedings shall be defended or prosecuted to termination by the city into which it is merged. All suits, actions and proceedings pending in the municipal court of the city surrendering its charter shall be transferred to the municipal court of the city into which it is merged.

(2) The merger shall not affect any proceedings for the opening, widening or extension of any street or for any street improvement or sewer pending at the time of the election in the merged city, but the proceedings shall be continued and all provisions of the charter and ordinances of the merged city shall remain in effect so far as they may affect any matter set out in this section.