The law is known for running several years thanks to societal developments. One area where the legal field has had problems to stay up is with child custody cases for LGBT parents that depend on support with reproductive technology (ART), like surrogacy and egg and sperm donorship.
Under Tamarac and U.S. law, a biological parent of a baby includes a significant advantage in an exceedingly child custody dispute. State law is applicable to these same advantages to the parents' adopted children, but courts have had problems dealing with parenting arrangements during which a toddler is the biological offspring, and also the remaining parent failed to complete the formal adoption process before the divorce.