Yes
Fathers with parental rights are not always listed on the birth certificate.
Get a lawyer. You have a couple of ways to assert your parental rights.
The birth certificate is not something that gives him parental rights, he have to go to court for that and prove it by DNA test. A birth certificate does not require DNA so it does not hold up in court. So yes, if he has gone to court he has rights.
If it's established who the biological father is, regardless what name is on the birth certificate, he will have to give up his parental rights in order for someone else to adopt the child. He can also go to court and have the name on the birth certificate changed to his.
A father has parental rights regardless of marital status most states.
no, changing the birth certificate requires adoption, and can only be done if the birth father's parental rights have been terminated.
In general, parental rights are terminated either preparatory to an adoption, or after a trial in which it is determined that the parent is unfit. In any case, termination of parental rights does not, in itself, terminate child support.
Custody, not parental rights.
In the UK, if you are married when your children are born, you both automatically have parental rights. If you are not married, then you have to apply for parental responsibility rights, if the mother does not want to share that with you. This can be done by court order. After 2003, if not married but father is written on the birth certificate, that is enough to have parental responsibility and all that that entails. Not sure how it is for you guys in the USA!
Probably not unless parental rights were terminated or otherwise limited. Best consult a lawyer.
If the father wants custody rights, this would be usable in court.
It depends on was the father's name on the birth certificate to begin. But usually yes as a friend of mine just adopted two children and the biological parents names are on the birth certificate and they both terminated their rights to the children. A persons name remains the same on their birth cirtificate until they legally change it, or if they are a minor, their parent legally changes it. If the father has given up his legal rights, he has given up any legal decision making for this child until they are 18. The child will have their birth name until their mother changes it legally.