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J, Re (Loss of Parental Responsibility)
Smart Summary
Factual and Procedural Background
Three consolidated appeals were heard concerning the attribution of parental responsibility where an individual has been registered as 'father' on a child's birth register but is not, or may not be, the child's genetic father.
Case J: Appellant J was named as father on Child J's birth register, believed himself to be the genetic father, but DNA testing later showed he was not. Appellant J applied for a parental responsibility order; the mother applied for a declaration of non-paternity under Family Law Act 1986, s 55A. Judge Powell made a declaration of non-paternity and held Appellant J never acquired parental responsibility.
Case M: Appellant M was named as father on Child M's birth register after conception involving donor sperm obtained outside a licensed clinic. DNA testing showed Appellant M is not the genetic father. In care proceedings the local authority sought a declaration of non-paternity and termination of any parental responsibility. Judge Tucker declared Appellant M was not the father and held any parental responsibility would be lost (alternatively would have made an order under CA 1989, s 4(2A)).
Case P: Child P's paternity could not be determined because conception involved two identical twin brothers; DNA could not distinguish which brother was genetic father. TP1 is named as father on the register; TP2 and others sought declarations and orders about parental responsibility. Judge Reardon refused declarations under s 55A given inability to prove or disprove paternity, made welfare-focused parenting directions and declined to make s 12 orders attributing parental responsibility; appeals followed.
Legal Issues Presented
- Is the definition of 'father' for the purposes of the Children Act 1989 limited to the child's biological/genetic father or does it extend to psychological/social fathers?
- Where an individual is registered as 'father' in a birth register, does parental responsibility attributed by such registration attach to a person who is not the child's biological/genetic father?
- If parental responsibility is afforded to a non-biological father by registration, is it automatically terminated upon a declaration of non-paternity under Family Law Act 1986, s 55A, or does it continue unless terminated by a separate CA 1989 court order?
- If a separate court order is required to terminate parental responsibility in such circumstances, must that decision be determined by applying the CA 1989 welfare principle or by some other basis?
Arguments of the Parties
Appellant J's Arguments
- Accepted 'father' in s 4 is limited to genetic father but argued Parliament intended registration on the birth certificate to be an accessible trigger for parental responsibility under CA 1989, s 4(1)(a), even where later proved non-paternity.
- Submitted that ECHR Article 8 rights and the requirement for accessibility supported an interpretation that registration confers parental responsibility until removed by a court order.
- Relied on a Ghaidan v Godin-Mendoza (HRA-compatible interpretation) argument to preserve family life rights of a psychological parent.
Respondent (Mother) in J
- Submitted that Appellant J, not being the genetic father, never acquired parental responsibility under s 4(1)(a).
Appellant M's Arguments
- Accepted statutory 'father' means genetic father but argued that being named on the birth certificate is, under s 4(1), sufficient evidence that the named person is the child's father and that parental responsibility persists until declaration/order.
- Argued welfare of the child should prevail over parental misconduct or dishonesty in registration.
Appellant P (TP2) and Supporters
- Sought declaration that TP2 is the father or, alternatively, that TP1 is not the father; challenged judge's refusal to remove TP1 from birth register and to clarify whether TP1 holds parental responsibility.
- Sought discharge order under s 4 for clarity and for welfare-based orders to allocate parental responsibility.
Guardian / Child's Position
- Submitted that neither twin is established to be P's legal father and sought declarations to prompt re-registration to remove TP1; alternatively sought clarity that neither twin is the legal parent.
Secretary of State (Intervener)
- Submitted that 'father' in CA 1989 reflects common law: confined to genetic father; being named on the register does not make a non-genetic registrant the legal father or confer parental responsibility under ss 2 or 4.
- Argued s 4(2A) concerns termination of parental responsibility once acquired and does not alter how parental responsibility is acquired; where non-paternity is established a registrant never acquired parental responsibility under s 4.
- Pointed to availability of s 8/s 12 orders to grant parental responsibility to non-parents by court order where welfare justifies it; cautioned about International Hague Convention 'abduction' and 'jurisdictional' gaps but said they do not justify broadening 'father' in CA 1989.
Registrar General
- Advised re-registration under the 1953 Act requires a sufficiently clear declaration; where court cannot declare a named person is not the father, the Registrar General would be unlikely to authorize re-registration to remove that person.
Association of Lawyers for Children
- Supported common law definition limited to genetic father; emphasised child's right to know truth; argued a registrant who is not father does not acquire parental responsibility and no order to remove it is required.
Reunite (Intervener)
- Highlighted international child abduction risks where a registrant wrongly assumes parental responsibility; urged guidance and protective interim orders (s 8 / s 12) to guard against 'abduction gap'.
Table of Precedents Cited
| Precedent |
Rule or Principle Cited For |
Application by the Court |
| Re M (Child Support Act: Parentage) [1997] 2 FLR 90 |
Statement that a father is a parent if biological or becomes father by operation of law. |
Cited to support that legal fatherhood concerns genetics or statutory operation. |
| Re B (Parentage) [1996] 2 FLR 15 |
Observation that Parliament would have made specific enactment if intending to alter principles of parenthood; fatherhood concerns genetics. |
Used to confirm common law focus on genetic fatherhood and that statute did not change that principle. |
| Re D (IVF: Paternity of Child) [2005] 2 AC 621 |
Where HFEA conditions met a husband is treated as legal father; discussion of statutory treatment in assisted reproduction contexts. |
Referenced as example of statutory exceptions to genetic fatherhood; court distinguished bespoke statutory 'treated as' provisions from general meaning of 'father'. |
| P v Q and F [2024] EWCA Civ 878 |
Registration is practical evidence of parentage but does not itself create legal parentage; baseline common law principle that legal parents are gestational mother and genetic father. |
Held central: registration is important but limited; the court treated this authority as decisive that mere registration does not establish legal fatherhood. |
| Brierley v Brierley [1918] P 257 |
Registration constitutes prima facie evidence of parentage (historical authority). |
Referred to as supporting that registration is evidence but not conclusive. |
| Re G (Children) [2006] UKHL 43 |
Explanation of three ways of being a 'natural parent'—genetic, gestational, social—and discussion of weight for welfare purposes. |
Used to show distinction between social/psychological parenthood (relevant to welfare) and legal parenthood; court noted Re G did not redefine legal parentage. |
| Ghaidan v Godin-Mendoza [2004] UKHL 30 |
Human Rights Act compliant interpretation where possible. |
Relied on by an appellant to argue for HRA-compatible reading of s 4; court recorded and addressed the submission but did not reinterpret s 4 to include non-genetic registrants. |
| Somerset County Council v NHS Somerset CCG [2021] EWHC 3004 (Fam) |
Analogy for setting aside orders made without jurisdiction. |
Referenced to explain that orders made without jurisdiction remain valid until set aside; used in discussion of potential orders under s 4(1)(c) made in error. |
| RQ v PA [2018] EWFC 68 |
First-instance consideration of issues around registration and parental responsibility. |
Listed among first-instance cases the court considered helpful background; no reliance on nuanced differences. |
| Re G [2018] EWHC 3360 (Fam) |
First-instance decision grappling with registration/parental responsibility issues. |
Noted as part of the body of first-instance authority; court did not adopt divergent approaches from these cases. |
| Re SB [2022] EWFC 111 and Re SB (No 2) [2023] EWFC 58 |
First-instance engagement with related issues. |
Included in list of first-instance authorities considered; court did not need to reconcile nuanced differences. |
| Re C (Children) [2023] EWHC 516 (Fam) |
First-instance decision on related registration/parental responsibility matters. |
Listed as part of background authorities; not specifically applied. |
| ED v MG [2025] EWHC 1876 (Fam) |
Recent first-instance authority addressing similar issues. |
Included in the list; court did not require detailed comparison. |
| Re X (A Child) (Husband of Child's Mother: Declaration of No Parental Responsibility) [2025] EWHC 2542 (Fam) |
First-instance consideration of declaration/no parental responsibility. |
Listed among recent first-instance cases forming background to the appeals. |
Court's Reasoning and Analysis
The court began from the agreed premise that the common law definition of 'father' applies to CA 1989, and that it is confined to the genetic/biological father. The court analysed the statutory scheme:
- CA 1989, s 4(1)(a) grants parental responsibility to an unmarried father who becomes registered as the child's father; but read in context and against common law the term 'father' in s 4(1) means the genetic father.
- Registration on the birth register is evidence of parentage (and important for practical purposes) but does not itself create legal parentage—P v Q and F was treated as authoritative for that proposition.
- Accordingly, where a registrant is not the child's genetic father, they do not acquire parental responsibility under s 4(1)(a); the correct legal description is that parental responsibility never arose rather than being 'void ab initio'.
- S 4(2A) provides for cessation of parental responsibility only by court order where it was acquired; it does not broaden how parental responsibility is acquired and therefore is not engaged where a registrant never acquired s 4 parental responsibility because they are not the genetic father.
- Where a non-genetic social/psychological parent has a role, the CA 1989 provides routes (s 8 child arrangements and s 12(2)/(2A)) by which the court can confer time-limited or subject-limited parental responsibility reflecting welfare considerations.
- The court acknowledged international concerns (abduction/jurisdictional gaps) and recommended use of interim protective orders (s 8 / s 12) where appropriate, but held that such policy concerns cannot alter statutory meaning of 'father'.
- On the unusual facts of Re P (twins): because the court could not prove TP1 was not the father, it could not make a declaration under s 55A to prompt re-registration. However, the court concluded it would have been preferable for the lower court to have discharged any parental responsibility TP1 may have had by making an order under s 4(2A) to remove the ambiguity; the Court of Appeal indicated it would do so for clarity in this appeal.
Holding and Implications
Holding: The court held that the term 'father' in the Children Act 1989 (ss 2 and 4) is confined to the child's genetic/biological father. Where an individual is named as 'father' on a birth register but is not the genetic father, that individual does not acquire parental responsibility under CA 1989, s 4(1)(a). Consequently, questions about automatic termination under Family Law Act 1986, s 55A or the need for a separate s 4(2A) order do not arise in such cases because parental responsibility never attached.
Outcome in the appeals: Each appeal failed on the central legal issue. In respect of Case P, the court recorded it will make an order under CA 1989, s 4(2A) that any parental responsibility TP1 may have acquired by registration shall cease from the date of the Court of Appeal's order; further welfare-focused orders may follow after additional submissions.
Implications: The decision confirms that registration is evidence but not a source of legal fatherhood or parental responsibility where genetic paternity is absent. The direct effect is that registrants who are not genetic fathers do not hold parental responsibility under s 4(1)(a); social or psychological parents must seek parental responsibility via child arrangements orders (s 8) and s 12 where welfare justifies it. The court noted procedural and practical recommendations (e.g., guidance at register offices, interim protective orders in international cases) but did not establish a new statutory exception.
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