In most states yes. However, the child will not claim it, rather the custodial parent.
Yes.
Yes, up to 18 years retroactive.
no
You can only claim a child on your taxes if you provide at least 50% of the FINANCIAL support (through mortgage, food, clothing, education, etc.) for the child. If you provided at least 50% of the support for the child, then you can claim the child for the tax year in which you provided the support.
I can't find any evidence that he ever had a child out of wedlock.
Keep the claim active with child support enforcement
An out of wedlock child is entitled to the same share as an in wedlock child. It is the biology that is crucial and not marital status. You should check the laws of intestacy in your jurisdiction.
Yes, hire a lawyer, get it filed with the court.
The length of time for someone to claim child support can vary depending on the jurisdiction. Generally, the custodial parent can claim child support until the child reaches the age of majority, which is typically 18 years old. Some jurisdictions may allow for an extension of child support if the child is pursuing higher education.
Contact Child Support Enforcement every 24 months.
The person who provided physical custody of the child for more than 50% of the year can claim the child as a dependent, regardless of whether or not back child support is owed.
No.