Whoever wants to adopt a child must have unlimited legal capacity. Couples who wish to adopt a child should be married to each other. It goes without saying that the relationship should be harmonious and intact. After all, the adopted child should have a secure and stable home.
Purely legally, single applicants can also adopt a child. A particularly detailed child welfare examination is presupposed. An adoption is promising, for example, if there is already a significant relationship with the child or if there is an underlying kinship relationship.
If the couple is unmarried, only one partner can adopt the child. The other partner can then adopt the child, if necessary, as part of a successive adoption.
Since 2017, same-sex couples have also been allowed to adopt children jointly. The prerequisite is that they are married and they meet all other requirements equally. This was previously only possible for registered partners in the context of a successive adoption.