The law allows for retroactive support, but there are a lot of factors to consider.
Yes, the right of a parent to be in his or her child's life has nothing to with whether or not he or she is paying child support. The court sees them as two entirely different issues.
No, at the maximum for the states of Ohio and Michigan, the limit is 23 years of age to file for retroactive child support.
if a court order exist.
You can legally change the child's name if the biological father does not contest it. You may have to go to the courthouse to get it finalized in front of a judge. It might cost you a fee, for the paperwork.
In general, the question of child support arises when one or more of the parents is absent.
No, you have to pay until he is emancipated.
No. However, the child may be eligible for public assistance, depending on the family's circumstances.
Not even a young adult father is fully prepared for dealing with these issues, so yes, in all states. see links
http://www.ocffr.org/
Child support in Ohio usually continues until the child is 18, and up to the age of 21 if the child is in school. Whether or not you have to pay child support if the child is living with the noncustodial parent depends on the support order that it is in place Typically you can expect that you will have to expect to pay support.
yes it is mandatory only if you have the father on the birth certificate
see link