Section 19Republic Act No. 296, otherwise known as the Judiciary Act of 1948, as amended, of Republic Act No. 9as amended, of the Rules of Court, and of all other statutes, letters of instructions and general o, Sec./Art. 19

Jurisdiction in civil cases. Regional Trial Courts shall exercise exclusive original jurisdiction:

(1) In all civil actions in which the subject of the litigation is incapable of pecuniary estimation;

(2) In all civil actions which involve the title to, or possession of, real property, or any interest therein, except actions for forcible entry into and unlawful detainer of lands or buildings, original jurisdiction over which is conferred upon Metropolitan Trial Courts, Municipal Trial Courts, and Municipal Circuit Trial Courts;

(3) In all actions in admiralty and maritime jurisdiction where he demand or claim exceeds twenty thousand pesos (P20,000.00);

(4) In all matters of probate, both testate and intestate, where the gross value of the estate exceeds twenty thousand pesos (P20,000.00);

(5) In all actions involving the contract of marriage and marital relations;

(6) In all cases not within the exclusive jurisdiction of any court, tribunal, person or body exercising judicial or quasi-judicial functions;

(7) In all civil actions and special proceedings falling within the exclusive original jurisdiction of a Juvenile and Domestic Relations Court and of the Courts of Agrarian Relations as now provided by law; and

(8) In all other cases in which the demand, exclusive of interest and costs or the value of the property in controversy, amounts to more than twenty thousand pesos (P20,000.00).