When a child is born to married parents in Indiana, the law automatically presumes the husband is the biological father. For unmarried couples in Indianapolis and throughout the state, the legal landscape looks different. Even if a father is present at the hospital or his name appears on the birth certificate, he may not yet have legal parental rights. Establishing paternity is the formal process of naming a child’s legal father, and it is a necessary step to ensure the child receives the financial and emotional support they deserve.
Our team at Trapp Law, LLC, understands that family dynamics can be complicated. Whether you are a mother seeking child support or a father wanting to secure legal parenting time, understanding Indiana’s paternity statutes is the first step toward a stable future for your child.
Why Paternity Matters for Indianapolis Families
In Indiana, paternity provides more than just a name on a document. It creates a legal relationship that grants the child access to various benefits and protections. Without a legal determination of paternity, a father has no standing to request custody or parenting time. Similarly, a mother cannot legally compel a father to pay child support until the law recognizes him as the parent.
Beyond custody and support, establishing paternity allows a child to inherit property, access Social Security benefits, and receive veterans’ benefits, if applicable. It also provides the child with a complete medical history, which is vital for long-term health management. Under state law, the Indiana General Assembly favors the public policy of establishing paternity for every child born out of wedlock.
Two Ways to Establish Paternity in Indiana
There are two primary methods to establish legal fatherhood in our state. The path you choose often depends on whether both parents agree on the identity of the biological father.
Paternity Affidavit
The most common method of establishing paternity is the Paternity Affidavit. This is a legal document that both parents sign voluntarily. Most parents complete this at the hospital within 72 hours of the child’s birth, though it can also be signed at a local health department. By signing this form, the man acknowledges he is the biological father and the mother affirms this is true.
Once signed and filed, the man becomes the legal father. But you should be aware that signing this document has immediate legal consequences. After 60 days, it becomes much harder to rescind the affidavit, even if a later DNA test suggests a different biological result. If you have any doubts about biological fatherhood, you should seek legal advice before signing this document.
Judicial Proceedings (Court Order)
If there is a dispute or if one parent is unwilling to sign an affidavit, paternity must be established through the court system. A paternity action can be filed by the mother, the man claiming to be the father, or even the child through a representative. In some cases, the Indiana Department of Child Services may initiate the case to ensure the child receives support.
During a court proceeding, the judge may order DNA testing. Modern tests are highly accurate and can determine biological parentage with nearly 100 percent certainty. Once the results are in, the court will issue an order establishing paternity, which then allows the judge to make decisions regarding support and custody.
Rights and Responsibilities of the Father
Once paternity is established, the father gains both rights and significant responsibilities. Many fathers in Marion County believe that paying support automatically gives them the right to see their child. Conversely, some mothers believe they can deny parenting time if support is not paid. Indiana law treats these as separate issues.
Child Support Obligations
Legal fathers must contribute to the financial upbringing of their children. The court uses the Indiana Child Support Guidelines to calculate the amount of support. This calculation considers the income of both parents, the cost of health insurance, and childcare expenses. Paternity establishes a duty to provide for the child until they are emancipated, which typically occurs at age 19 in Indiana.
Custody and Parenting Time
Establishing paternity is the only way an unmarried father can secure legal rights to his child. The mother initially has sole legal and physical custody of a child born out of wedlock. A father must ask the court to grant him custody or parenting time.
The court makes these decisions based on the “best interests of the child.” Factors include the child’s age, the wishes of the parents, and the child’s relationship with each parent. Most Indianapolis courts follow the Indiana Parenting Time Guidelines, which provide a model schedule for parents to spend time with the child.
Rights and Responsibilities of the Mother
For mothers, establishing paternity is often about ensuring the child has the resources they need. A mother has the right to seek child support to cover the daily costs of raising the child and may seek assistance with pregnancy-related medical expenses.
While the mother initially has sole custody, she also has the responsibility to facilitate the child’s relationship with the legal father once a court order is in place. Under the Indiana Parenting Time Guidelines, neither parent should withhold parenting time because of a failure to pay child support.
The Role of the Marion County Court System
If you live in Indianapolis, your paternity case will likely be heard in the Marion Circuit or Superior Court. These courts handle thousands of cases involving unmarried parents every year. The judges here focus on creating stable environments for children.
It is important to remember that paternity cases are civil matters, but they require strict adherence to procedural rules. Missing a hearing or failing to respond to a summons can result in a default judgment, where the court makes a ruling without your input. Whether you are navigating a case at the City-County Building downtown or a township court, having professional guidance ensures your voice is heard.
Seeking Advocacy for Your Family
The legal process for unmarried parents requires more than just filling out forms. It involves protecting your relationship with your child and ensuring their financial security. The laws in Indiana are designed to prioritize the child’s welfare, but the system can be difficult to manage alone.
At Trapp Law, LLC, we provide strong advocacy for parents navigating the paternity process. We assist clients in Indianapolis and the surrounding areas with all aspects of family law, from initial DNA testing to final custody agreements. Our goal is to provide the information you need to make the best decisions for your family’s future.
If you need help establishing paternity or modifying a current support order, we invite you to reach out to our office. Contact us today at 317-449-8550 to discuss your situation with a member of our team.

