If you’re unsure who the legal father of a child is, Texas gives you a few ways to sort it out. Establishing paternity helps protect your rights and ensures your child gets the support they deserve.
Voluntary acknowledgment of paternity
When both parents agree about who the biological father is, the easiest method is signing an “Acknowledgment of Paternity” (AOP). You can do this at the hospital when the baby is born or later at a certified facility. Once filed with the state, this document legally names the man as the father. It’s fast, simple, and avoids court involvement.
Filing a paternity case in court
If there’s disagreement or uncertainty, either parent can file a paternity case. A judge may order a DNA test to determine if the man is the biological father. Once the court receives the results, it can issue a legal finding of paternity. This step also allows the court to decide on custody, child support, and visitation if needed.
Why paternity matters
Establishing paternity connects a child to benefits like inheritance, medical insurance, Social Security, and veterans’ benefits. It also lets both parents share legal rights and responsibilities. Without it, a father may have no say in important decisions about the child’s life.
Moving forward after paternity is set
Once you establish paternity, you can address parenting time, support, and decision-making through a court order or an agreed parenting plan. This ensures both parents stay involved and provides structure for raising the child. The process creates a legal foundation that benefits everyone involved.

