After a petition to adopt has been filed, the clerk of the superior court shall set a time and place for a hearing by the court. Notice shall be as provided for the service of process in civil actions to:

1. The petitioner.

2. The agency, if any.

3. The person or agency conducting the social study required by section 8-112.

4. Any person or agency required to give consent by section 8-106 unless consent with a waiver of notice of hearing has been filed before the hearing.

5. Any person who has initiated a paternity action pursuant to title 25, chapter 6, article 1.