P1335 For failure to prosecute with reasonable diligence, California courts have the power to dismiss an action initially filed in California but stayed on forum non conveniens grounds.
VAN KEULEN v CATHAY PACIFIC AIRWAYS (Forum Non Conveniens) 162 CA4 122 [See: Archibald v Cinerama 15 C3 853]
No guarantees.
Always check current status of cases before citing them.