Yes he can.
Yes, a father can file for joint custody of his child, which allows both parents to share legal and physical custody of the child.
As the father has joint legal custody of the child he can not say he does not want the child at the paramour.
Yes, if the court feels it would be in the best interests of the child to award joint custody.
Yes if the father has joint custody he may leave the state with the child for a short period for purposes of a vacation.
By filing for custody modification in the court with jurisdiction, then prove to the court why it would be in the best interests of your child to award joint custody.
The court will decide what's best for the child according to the laws of the jurisdiction and the facts of the situation. The courts does not allow a child to make such decisions.
Only with permission of both parents. Your marriage to the father with joint custody does not automatically confer parental rights including access to medical records without written permission from both parents in cases of joint custody and may not even apply if the father had full legal and physical custody. This is federal law (HIPAA). If you were to legally adopt the child, those rights were be conferred by virtue of the adoption.
If the parents are married they both have equal right to the child unless one party gets temporary custody pending a divorce. If they are unmarried and have never been married the mother automatically has custody. The father would have to go to court to establish his paternity and petition for joint custody and visitations.
The father's paternity must be established legally, usually through a DNA test. Once established as the father he can request joint custody and a visitation schedule. A child support order will also be established. He should visit the family court for more information.
No, unless the baby's biological father relenquishes his parental rights, he would get custody of the child if the mother dies, not her husband. The biological father must sign his rights away to the mother's husband.
yes
Yes and the choice of visitation is not up to her, it's up to the judge. If he is the biological father and have proved paternity in court, he can petition for custody, visitation and pay child support. She has no legal right to keep the other parent away from the child.