Ballot initiative 's sponsors have filed several lawsuits with state Supreme Court . One seeks to prevent same - sex marriages occurring when they were legal . `` Petitioners ' challenge depends on characterizing Proposition 8 as a radical departure from the fundamental principles of the California Constitution , '' their briefs said. Sponsors also respond to lawsuits seeking to block Prop 8 .
Ballot initiative 's sponsors have filed several lawsuits with state Supreme Court . One seeks to prevent same - sex marriages occurring when they were legal . Sponsors also respond to lawsuits seeking to block Prop 8 .