Adoption is the legal act of permanently placing a child with a parent or parents other than the birth parents. Adoption results in the severing of the parental responsibilities and rights of the biological parents and the placing of those responsibilities and rights onto the adoptive parents. After the finalization of an adoption, there is no legal difference between biological and adopted children.
 
Different jurisdictions have varying laws on adoption and post-adoption. Some practice confidential or closed adoption, preventing further contact between the adopted person and the biological parents, while others have varying degrees of open adoption, which may allow such contact. However, an underreported fact is that open adoptions are not legally enforceable agreements in many jurisdictions.