By this age, the 17 year old can choose whom to live with. You have to wait until 18 to just leave, but if you file the proper paperwork, you can leave sooner to live with your dad.
Yes, a father can change his child's last name. However, this depends on the custody arrangement, and who has primary custody.
no
They have no court standing
Sole even if he was still shacking up with you
It depends on the law where you live and your custody order. If the father has sole legal custody (as opposed to physical custody) he would be able to make that decision without input from the mother. If legal custody is joint or the mother has sole legal custody, no he could not.
can try, but they would not have standing
At the nearest courthouse.
Boyfriend or husband (unless he is the biological father) has no legal right to the child at all. The mother can try to go for full custody though.
No. The father must be informed and given the opportunity to object.
If they were married yes but if not married and she was the custodial parent he have to go to court and get custody first.
Not unless you are in a custody battle. It is only if you are going out of the country that you need consent
the father should file for custody