Fatherhood can mean something different and unique for every family. However, under the law, paternity is a legally defined relationship between a child and their father. It goes beyond biology — establishing paternity creates legal rights and responsibilities that affect custody, visitation, child support, inheritance, and access to benefits. Understanding how to establish paternity in California is essential for protecting both your rights and your child's future.
Why Establishing Paternity Matters
When parents aren't married, the law may not automatically recognize the father. However, many family law processes rely on this legal recognition as a prerequisite. For example, those legally recognized as a father may then seek custody and visitation rights, be ordered to pay child support, or be entitled to receive child support.
Additional benefits of establishing paternity include:
Both parents identified on a birth certificate. This provides the child with a complete legal identity and ensures both parents are recognized from the start.
Open accessibility to family medical records and history. A child's health can depend on knowing the medical history of both biological parents, including genetic conditions, hereditary diseases, and family health patterns.
Insurance coverage and benefits from both parents. Once paternity is established, a child may be eligible for health insurance, life insurance benefits, and other coverage through either parent's employer.
Estate planning interests such as inheritance. Without established paternity, a child may have no legal claim to a father's estate, Social Security survivor benefits, or other inheritance rights.
Social Security and veteran's benefits where applicable. Children of fathers who are disabled, retired, or deceased may be entitled to significant government benefits — but only if paternity has been legally established.
Methods of Establishing Parentage
There are multiple avenues for establishing paternity in California. The appropriate method depends on the circumstances of your case and whether both parties agree on parentage.
Voluntary Declaration of Parentage. When both parties agree, they may sign a Voluntary Declaration of Parentage (VDOP). This is typically signed at the hospital when the child is born, but it can be completed at any time. Under Family Code section 7573, a properly executed VDOP has the same force and effect as a judgment of parentage. Either parent may rescind the VDOP within 60 days of signing by filing the appropriate form with the Department of Child Support Services under Family Code section 7575(a). After the 60-day rescission window closes, a party may still petition the court to set aside the VDOP under Family Code section 7575(b), generally within two years of execution, on grounds such as genetic test results showing the declarant is not the biological parent, fraud, duress, or material mistake of fact.
Genetic Testing. When there is disagreement on parentage, the father or mother may have the right to request genetic testing. These tests must be done in an approved facility. Tests done at home or in unapproved facilities are generally not admissible in court. Modern DNA testing is highly accurate, with results typically showing 99.9% probability of paternity when the tested man is the biological father.
Court Order. Either parent — or in some cases, the child or a government agency — can file a petition with the court to establish paternity. The court may order genetic testing and will issue a judgment of paternity based on the evidence presented. Once a court order is in place, it establishes all legal rights and obligations between the father and child.
Presumption of Paternity. California law creates certain presumptions of paternity. A man is presumed to be the father if he was married to the mother at the time of conception or birth, if he received the child into his home and openly held the child out as his own, or if he signed a voluntary declaration. These presumptions can be rebutted, but they carry significant legal weight.
Rights That Come with Established Paternity
Once paternity is legally established, the father gains important rights under California law:
Custody and Visitation. A legal father has the right to seek custody of or visitation with his child. Without established paternity, a father has no standing to request these rights from the court.
Decision-Making Authority. Legal fathers can participate in important decisions about their child's education, healthcare, religious upbringing, and extracurricular activities.
Protection Against Adoption. An established legal father must consent to or be notified of any adoption proceedings involving his child.
Access to Records. Legal fathers have the right to access their child's school records, medical records, and other important documents.
Obligations That Come with Paternity
Along with rights come responsibilities. Once paternity is established, a father is legally obligated to provide financial support for the child. This includes child support payments calculated according to California's guidelines, contribution to healthcare costs, and potentially contribution to childcare and educational expenses.
These obligations exist regardless of whether the father has a relationship with the child or the child's mother. They continue until the child turns 18 (or 19 if still in high school), becomes emancipated, joins the military, or gets married.
Challenging Paternity
In some cases, a man who has been presumed or declared to be a father may wish to challenge that determination. California law provides limited windows for challenging paternity — generally within two years of the date the man knew or should have known he might not be the biological father. After this window closes, courts are reluctant to overturn established paternity, particularly when doing so would harm the child. Time limits for paternity actions are governed by Family Code sections 7630 and 7611, and the precise deadline depends on the basis for the action and whether a presumption of paternity has already attached. Because these deadlines can be unforgiving, prompt consultation with an experienced family law attorney is essential.
Conversely, a man who believes he is the biological father of a child but has not been recognized as such may bring a paternity action to establish his rights. Time is often of the essence in these cases, as delay can weaken a claim.
Start the Paternity Process
Establishing paternity can be a critical element for setting up children for success. However, it can be difficult to navigate the legal process alone. Whether you simply need to make an amicable decision official, or you need to go to court, Barsamyan Family Law APC can guide you through the process efficiently and effectively.
At Barsamyan Family Law APC, our Certified Family Law Specialist has extensive experience handling paternity matters in Beverly Hills, Los Angeles, and the surrounding areas. We understand the sensitive nature of these cases and provide compassionate, strategic representation to protect your rights and your child's best interests.