My wife and I received a motion to renew judgment against us from Anchorage, AK. We paid on a debt in 2004 (we have the canceled check as proof) but the lawyers assigned to the case say their client never got paid and claim we are still responsible. The last contact we received from this firm was in 2005 and we sent them the canceled check as proof of payment. Now, in 2013, we received a motion to renew judgment and instead of the $1425.52 we paid, this firm is seeking $6839.25 in costs, fees, and interest. Now, because we haven't lived in Anchorage since 2003 and we have proof of payment, which state's statute of limitation does this firm have to follow?