Do I have a chance to get child support. ?

Son is 16.I was 15 when I got pregnant from my boyfriend who was 25.we played house til I was 7 months. Then I left.told me he would be back in 2weeks.that was in 1995.never heard from him again.I've lost my adolescence, I've struggled my whole life.I love my son,but just found out Dead Beat was married on sons birthday, living large,has money and comes from Gallon money.can I win in court?