Same-Sex and Single-Parent Adoption in Hong Kong: What the Law Actually Allows

Hong Kong's adoption law does not expressly permit or prohibit adoption by same-sex couples. What it does is create a legal structure — the Adoption Ordinance (Cap. 290) — that was drafted around married couples and sole applicants, without directly addressing same-sex relationships. The result is an evolving situation where court decisions have progressively opened pathways that the statute itself never anticipated.

Here's what actually applies today.

Sole Applicant Adoption: The Established Route

The clearest pathway for LGBTQ+ individuals is the sole applicant route. The Adoption Ordinance permits a single person — unmarried, divorced, or in any relationship status — to adopt as a sole applicant, provided they meet the standard eligibility criteria:

• Aged 25 or older
• At least 21 years older than the child
• 12-month Hong Kong residence before applying, with intent to remain for at least 12 more months after the adoption
• Assessed as a fit and proper person by SWD

Being in a same-sex relationship does not disqualify a person from applying as a sole applicant. The assessment is of the individual applicant, not the household relationship structure. That said, SWD social workers will conduct a full home study that includes assessing the household — which means a same-sex partner living in the home will be part of the factual picture the social worker works with, even if they are not a co-applicant.

The practical implication: an LGBTQ+ individual can adopt as a sole applicant. Their same-sex partner will not appear on the adoption order, will not have parental rights, and — unless separately established through the courts — will have no legal relationship to the child.

The B v B Case: Sole Applicant and the High Court

The landmark case in Hong Kong is B v B & another HKCFI 3356 (the parties are anonymised). In December 2024, the High Court approved the adoption of a child by a married gay man as a sole applicant. The court held that sexual orientation could not be the primary reason to deny the application and applied the child's best interests.

This decision confirmed a sole-applicant pathway for a same-sex applicant, but it did not create a joint-adoption route for same-sex couples. Joint adoption remains restricted to opposite-sex married couples under the current interpretation of "spouse". Individual applications are still assessed on the child's welfare and the applicant's suitability.

The practical takeaway: a same-sex applicant can consider the sole-applicant route, but B v B does not guarantee approval. Couples seeking protection for the non-applicant partner should get specific legal advice about the available legal mechanisms.

Sham Tsz Kit and Spousal Rights: Relevant but Distinct

The Sham Tsz Kit cases (challenging the denial of spousal benefits to same-sex partners of civil servants) are sometimes cited in the context of LGBTQ+ family law in Hong Kong. These cases established that same-sex partners in overseas marriages are entitled to certain spousal rights — not full marriage equality, but recognition of overseas registered relationships for specific purposes.

Sham Tsz Kit does not directly grant adoption rights. It is part of a broader pattern of courts recognising overseas same-sex relationships for particular purposes, which creates favourable context for arguments like those in B v B. It is not itself an adoption precedent.

Single and Unmarried Applicants: Standard Process

For single people — heterosexual, gay, or otherwise — the adoption process follows the same path as any sole applicant:

1. Briefing session with SWD Adoption Unit or an Accredited Body
2. Two mandatory training workshops
3. Home study (minimum three visits)
4. Approval and matching
5. Six-month probation placement
6. District Court adoption order

The sole applicant must be 25+ and meet all other eligibility criteria. Being unmarried, divorced, or in an unregistered relationship does not close the door. SWD assesses each application on its merits.

That said, social workers will assess your support network and stability as a sole carer. A single applicant with a strong extended family, community connections, and clear parenting plan will be assessed more favourably than someone who appears isolated. This is practical — a sole parent raising an adopted child with complex needs without any support structure raises genuine welfare concerns that the home study will probe.

What the Adoption Order Does (and Doesn't Do)

For a sole LGBTQ+ applicant who completes a successful adoption:

• They become the sole legal parent of the child
• A new birth certificate is issued with the adoptive parent named
• The child has full inheritance rights and dependency rights
• The child may access Hong Kong permanent residency through the adoptive parent (if the parent is a permanent resident)

What the adoption order does not do:

• Confer any parental rights on an unadopted partner
• Create any legal relationship between the child and the adoptive parent's same-sex partner
• Prevent the partner from being involved in the child's life practically — but legally, they are a stranger to the child unless further legal steps are taken

If you are in a same-sex couple and one partner adopts as a sole applicant, it is worth speaking to a family law solicitor about guardianship provisions, powers of attorney, and other legal mechanisms that can provide some protection for the non-adoptive partner in the event of the adoptive parent's death or incapacity.

The Hong Kong Adoption Process Guide and LGBTQ+ Families

The full adoption process — from initial briefing through the home study, matching, probation, and court hearing — is the same regardless of your relationship status or sexual orientation. The Hong Kong Adoption Process Guide covers every phase in practical detail, including how to approach the home study as a sole applicant and what the SWD assessment actually evaluates.

If you are a same-sex couple considering how to protect both partners, get legal advice specific to your circumstances before applying. The sole-applicant route is the pathway addressed by B v B; joint adoption remains restricted under the current interpretation of the law.

The Bottom Line

• As a sole applicant: LGBTQ+ individuals can adopt. The process is the same as for any sole applicant.
• As a joint same-sex couple: joint adoption is not currently available under the current interpretation of "spouse". Get legal advice about other protective arrangements.
• Overseas same-sex marriage: it does not by itself create a joint-adoption route under the current interpretation. Courts may recognise overseas registered relationships for particular purposes, so get case-specific advice.
• Single parents (not in any relationship): the standard sole applicant process applies without complication.

Hong Kong's adoption law is evolving alongside broader LGBTQ+ rights development in the courts. The most recent trajectory is toward greater recognition — but it is incremental, and individual cases still depend on specific circumstances and the interpretation of social workers and judges involved.

See more Hong Kong guides →