A bill was recently filed to expand Utah's adoption laws which currently limit adoption to married couples only. The bill would allow a cohabiting, unmarried individual, to adopt their partner's legal or biological child.
http://www.sltrib.com/sltrib/blogslgbt/51185196-61/adoption-filed-lake-parent.html.csp
House Bill: http://le.utah.gov/~2011/htmdoc/hbillhtm/hb0108.htm
Senate Bill: http://le.utah.gov/~2011/htmdoc/sbillhtm/sb0062.htm