Maryland Courts and Judicial Proceedings Section 10-704

      (a)      A foreign judgment is not conclusive if:

            (1)      The judgment was rendered under a system which does not provide impartial tribunals or procedures compatible with the requirements of due process of law;

            (2)      The foreign court did not have personal jurisdiction over the defendant;

            (3)      The foreign court did not have jurisdiction over the subject matter; or

            (4)      The judgment was obtained by fraud.

      (b)      A foreign judgment need not be recognized if:

            (1)      The defendant in the proceedings in the foreign court did not receive notice of the proceedings in sufficient time to enable him to defend;

            (2)      The cause of action on which the judgment is based is repugnant to the public policy of the State;

            (3)      The judgment conflicts with another final and conclusive judgment;

            (4)      The proceeding in the foreign court was contrary to an agreement between the parties under which the dispute was to be settled out of court; or

            (5)      In the case of jurisdiction based only on personal service, the foreign court was a seriously inconvenient forum for the trial of the action.