[2] In Japan, adult adoption may be used in order to facilitate the continuance of a family business.
"[5] In places where adult adoptions exist, it may or may not transfer filiation in addition to inheritance rights.
For example, in Colorado, one can adopt an adult of age 21 or older for inheritance purposes, but filiation will remain unaffected.
[6] However, adoption of a person between the ages of 18 and 20 (inclusive) transfers both inheritance rights and filiation.
[citation needed] In countries where same-sex couples have not received the same legal protections as heterosexual couples, adult adoption of a partner has been used to ensure the property transfer to the surviving partner upon death.