Legal Question in Family Law in Missouri

You will need to file a Petition for Adoption, along with a few other pleadings. As part of the adoption process the Court will need to terminate the parental rights of the biological father. To do that, he would have to be served. He will have to opportunity to oppose the adoption and seek custody or visitation.

If you are successful, your wife can never go after the biological father for support. You, however, would be liable until the child gets out of college. That is true even if the mother divorces you the day after the adoption is granted.

This is a very simple description of the process, based upon your simple description of the matter.. You should consult directly with a civil practice attorney in your area. You need advice specific to the facts of your situation.

Good luck