Utah Attorney General Mark Shurtleff signed on to the amicus or friend-of-the-court brief filed last week in the 9th U.S. Circuit Court of Appeals.
U.S. District Judge Vaughn R. Walker in San Francisco ruled last month that Prop 8 violates the Constitution's guarantees of due process and equal protection. The lawsuit was brought by two same-sex couples after the ballot measure passed in 2008, amending the California Constitution to deny same-sex couples the right to marry.
Prop 8 backers appealed Walker's decision and a three-judge panel in the appeals court put same-sex weddings in California on hold indefinitely while it considers the constitutionality of the state's gay marriage ban.