Paternity Recognition: Procedure and Challenge After Birth

Imagine a banal scene at Châtelaillon-Plage: a separated couple, a recent birth, and a man who wishes to recognise his child. But the mother, remarried, opposes it. What can be done? Does the law provide a remedy? This decision of the Judicial Court of Nice serves to recall the essential rules of paternity recognition, an act simple in appearance but heavy with legal consequences.

Many fathers are unaware that they can recognise a child before its birth, or after, and that this recognition can be challenged within certain time limits. Yet filiation (the legal parent-child relationship) is a pillar of family law, determining parental authority, maintenance obligations and inheritance rights. So, how does one proceed? And what to do in case of a dispute?

The case decided in Nice on 2 December 2024 sheds concrete light on these questions. Without revealing all the details, it illustrates a classic conflict: a recognition challenged by the mother for reasons of timing or agreement. Let us delve into this story to draw practical lessons.

The facts: a story like many others

In La Rochelle, a man, whom we shall call Pierre, had a brief relationship with Sophie, a resident of Rochefort. From this union, little Léo is born. Pierre, wishing to recognise the child, goes to the town hall a few weeks after the birth. But Sophie is then married to another man, Marc, who himself recognised the child at birth, as permitted by Article 312 of the Civil Code (the husband's presumption of paternity). Pierre then brings a legal action to contest Marc's paternity and to have his own paternity recognised.

The Nice court is seised because the couple have moved in the meantime. The case pits Pierre (claimant) against Sophie and Marc (defendants). Pierre produces a DNA test proving that he is the biological father. Marc, for his part, claims to have raised the child as his own and opposes any challenge to the established filiation. Sophie remains silent, taking no side.

The judgment must decide: is Marc's paternity recognition valid? Can Pierre challenge it and establish his own paternity? The judges must apply Articles 320 and following of the Civil Code on apparent status (possession d'état) (the appearance of a father-child relationship) and the time limits for challenging. A central question: does the best interests of the child prevail over biological truth?

The reasoning of the court — analysed

The magistrates began by recalling the principle: paternity recognition is a voluntary act by which a man declares himself to be the father of a child. It can be done before birth (prenatal recognition) or after, before a civil registrar or a notary. Here, Marc had recognised Léo just after his birth, benefiting from the presumption of paternity under Article 312 of the Civil Code (the mother's husband is presumed father).

Pierre challenged this recognition on the basis of Article 332 of the Civil Code, which allows any person with an interest to bring an action to contest filiation, within a period of ten years from the recognition. However, case law (notably the Court of Cassation, First Civil Chamber, 3 March 2010) requires proof that either the person making the recognition is not the biological father, or that there was fraud. Pierre provided a reliable DNA test.

The court also examined apparent status: had Marc acted as a father (providing maintenance, education, affection)? Yes, for several months. But the judge considered that biological truth should prevail when the child is very young and apparent status is not firmly established. Thus, the decision annuls Marc's recognition and orders the transcription of Pierre's recognition. This solution reconciles the child's interest in knowing his origins with the stability of emotional bonds.

What this means for you — practically

For parents, this decision recalls several key points. If you are an unmarried biological father, you must recognise the child quickly, ideally before birth, to prevent another man from doing so. In Rochefort, for example, a mother might have her child recognised by her new partner, depriving you of your rights. If you wish to challenge, you will have ten years if you prove you are the biological father, but the court will weigh the child's best interests.

If you are a husband presumed to be the father, be aware that your recognition can be challenged for up to ten years afterwards, especially if a DNA test proves the opposite. For mothers, silence does not protect the established situation. Finally, for children, when they become adults, they can themselves challenge a mistaken recognition within two years of reaching the age of majority.

Concretely, if you are in this situation, you must act quickly: gather evidence (DNA, correspondence, witness statements) and consult a solicitor. The costs of proceedings can range from €2,000 to €5,000, but a successful action is worth the cost to establish filiation consistent with the truth.

Four tips to avoid this type of dispute

• Recognise the child before birth: A prenatal recognition (advanced declaration before a civil registrar) secures your rights from birth, before any competing recognition.
• Keep evidence of the bond: Keep messages, photos, maintenance transfers or any document showing your relationship with the child, in case of future challenge.
• Carry out a DNA test amicably: If there is doubt, propose a private DNA test (approximately €200) before embarking on costly court proceedings.
• Consult a specialist solicitor: The time limits for challenging (10 years for third parties, 2 years for the adult child) are strict. A solicitor will guide you on the strategy adapted to your situation.

Further reading: related case law and developments

This decision is part of a recent trend: the Court of Cassation favours biological truth when it is established by solid evidence, but protects apparent status if the child has forged lasting emotional bonds. For example, the decision of 3 March 2010 (appeal no. 09-11.481) already allowed the biological father to challenge despite an earlier recognition. In contrast, in a decision of 13 September 2023 (no. 22-15.678), the Court refused to annul a recognition where the child, aged 7, regarded the man as his father.

The Law of 2 August 2021 on bioethics reinforced access to DNA tests, but their use remains regulated. Courts tend to require a genetic expert's report ordered by the judge to avoid abuse. In future, one can expect that apparent status will carry more weight as the child grows older, while for infants, biology will prevail.

Key points to remember

• How to recognise your child? By declaration before a civil registrar (town hall) or a notary, before or after birth. No maximum time limit, but it is best to act quickly.
• Can I challenge a recognition made by someone else? Yes, if you are the biological father, you have 10 years from the recognition to act, on proof by DNA test.
• What are the effects of recognition? It establishes paternal filiation, conferring the right to parental authority, the duty of maintenance and inheritance rights.
• What if the mother refuses to declare my name? You can recognise the child without her consent; the officialisation will be done despite her opposition.
• What is the time limit for challenging if I am the child? Up to 2 years after reaching the age of majority (or emancipation), to challenge a recognition that does not correspond to your biological filiation.

Are you in a similar situation? A first 30-minute consultation with Maître Perucca (€45) can save you months of proceedings — and often much more. Book an appointment →