But already in 1880 in Roussillon v Roussillon Lord Justice Fry stated that a restraint unlimited in space need not be void, since the real question was whether it went further than necessary for the promisee's protection.
但到了1880年，在魯西永訴魯西永案（Roussillon v Roussillon）中，法官愛德華·弗萊表示，不限空間的限制不會是徒勞的，因為真正的問題在於是否超過承諾者保障之所需。