OSU Cascades Political Science Professor Jim Foster says he's looking to see whether there will be a national decision.
"The question is whether we are going to be state by state and a patchwork decision or whether the Supreme Court will revisit this issue and come up with a national standard. If that's the case, we know the court is deeply divided -- and the swing vote is Anthony Kennedy. So once again the spotlight is on Justice Kennedy."
Many states are overturning these bans following the Supreme Court's decision last year on the Defense of Marriage Act -- finding it unconstitutional.