Korean Appellate Court Reverses Custody Change, Allowing Father to Keep Custody of Two Daughters

Case Overview

When a marriage with children ends in Korea, the family court can divide parental authority and day-to-day custody between the parents instead of awarding both to one side. Those arrangements are not necessarily permanent, and a parent may later ask a court to change them. This case concerned exactly that kind of request.

The client and his former wife had three children. When they divorced, they arranged for their two daughters to live with their father and for their son to live with their mother. After the divorce, the mother applied to the family court to transfer parental authority and custody of the two daughters to herself. The father opposed that application and, in a separate application, asked that their son be placed in his care. The family court heard both applications together.

The first-instance decision was unfavorable to the father, so he appealed. Taeshin Law Firm represented him in the appellate proceeding. The appellate court reversed the earlier decision and dismissed both applications. The two daughters therefore remained in their father's care, and the son remained in his mother's care.

Background

The divorce left the three children living in two households: the two daughters with the client, the son with his former wife. The arrangement was made when the marriage ended and was intended to give each child a settled home.

After the divorce, the mother brought an application to change the parental authority and the custodian for the two daughters, asking that both be transferred to her. She relied on the children's current care situation and on difficulties in arranging visitation. The client opposed the application and separately asked the court to move the son into his own care, pointing to the mother's parenting approach and living environment. Because both applications concerned the same family and overlapping facts, the court dealt with them together.

The first-instance ruling did not accept the client's position. He appealed to the appellate court, seeking to have the earlier decision set aside and the mother's application dismissed.

Key Family Law Issues

Under Korean family law, parental authority and the identity of the person who primarily raises the child are decided separately from the divorce itself. Parental authority refers to the legal rights and duties of a parent toward the child; the custodian is the parent with whom the child principally lives and who provides day-to-day care. A court that fixed these matters at the time of the divorce can revisit them later, but it will not do so simply because one parent has changed their mind.

The governing test is whether there has been a clear change in circumstances such that altering the existing arrangement would be clearly more beneficial to the child's healthy growth and welfare than leaving it in place. This is a demanding standard. The parent seeking the change must show either that the current arrangement is no longer appropriate or that a different arrangement is plainly better for the child. Stability and continuity are treated as important interests in their own right.

The appellate court therefore examined the children's ages and wishes, their health, how they had been cared for since the divorce, each parent's living environment and caregiving capacity, and both parents' willingness to care for them. It then compared those factors with the position at the time of the divorce.

Challenges

The client faced several difficulties. Even though he was defending the existing arrangement, the burden and the legal test required him to show that nothing had materially changed since the divorce and that disrupting the children's current home would not serve them better. He also had to answer the mother's arguments about visitation without allowing the dispute to be framed as conflict that could affect the children.

The adverse first-instance decision added pressure: the appeal required a careful review of the whole record rather than a simple repetition of the earlier arguments. Because the client was also asking to move his son, the court was examining his own household at the same time. Any inconsistency between the two positions could weaken both. The children were old enough for their views to carry weight, so those views had to be addressed thoughtfully rather than dismissed.

Taeshin's Approach

Taeshin Law Firm acted for the client in the appellate stage of the family court proceeding. The team framed the case around the legal threshold for changing an established custody arrangement, arguing that the mother had not shown the kind of clear change in circumstances that the law requires, and that the materials did not establish that moving the daughters would plainly be better for them than staying in their current home.

The argument drew on the record and on the materials submitted by both sides, focusing on how long the daughters had lived with the client, the continuity of their schooling and daily life, their ages and wishes, and the care the client had provided. The team also addressed the visitation difficulties the mother raised and explained why they did not amount to a reason to transfer custody. At the same time, the team presented the client's own household as stable and suitable, so that the court could assess both applications on a consistent factual basis. The proceeding was explained to the client in plain English so that he could follow the standard the court was applying and make informed decisions about the appeal.

Outcome

The appellate court reversed the first-instance decision and dismissed both the mother's application and the client's application. The two daughters' parental authority and custodian remained with the client, as set at the time of the divorce, and the son remained with his mother. The court considered the children's wishes, ages, health and care history, together with both parents' caregiving environments and willingness, and found no clear change of circumstances compared with the divorce. It concluded that the materials did not show that changing the custodian would be clearly more beneficial to the children. Each party bore its own costs.

The result was therefore a partial one for the client: he preserved custody of his two daughters, but his request concerning his son was not granted.

What This Case Shows

An existing custody arrangement is not easily changed. A parent who wants a different outcome must show a clear change in circumstances and that the change would be clearly better for the child — not merely that a different arrangement is possible or preferable to that parent.

Where another person applies to change custody, the first task is to show that the child's current home has been stable and that the circumstances relied on are not new or significant enough to justify disrupting it. Evidence of continuity in schooling, health and daily care is central.

Korean family court decisions on parental authority and custody can be appealed, but the time limits are short. A party who receives an unfavorable decision should take advice immediately.

Courts look at the child's own views, age and health, the history of care, and both parents' living environments and willingness to care. A change application also invites scrutiny of the applicant's own household, so the case must be presented consistently.

For international families, it helps to understand that parental authority and custody are distinct concepts in Korean law and that a family court decision on them can be revisited only on the legal standard described above.