 In 2006, the Court decided not to grant those rights.In 2007, ERW supported the successful passage of Washington State's domestic partner law, which granted several of the rights of marriage to same-sex couples.In 2008 over 100 additional state-level benefits of marriage were added to the original domestic partnership law, and in 2009 the remaining rights afforded to opposite-sex married couples were granted to same-sex partners via the state's domestic partnership law.