Not sure about that - it's Dooku's style which is considered a little archaic, whereas Mace's style is relatively new. However, it's mentioned in more than a few places in the novels and the RPG books that Count Dooku and Yoda were the only two swordsmen in the Jedi order who have managed to defeat Mace in a duel.
Clone Wars Windu, on the other hand, would hand them their asses on a platter.