G.R. No. 212683 JERSON E. TORTAL, vs. CHIZURU TANIGUCHI November 12, 2018 DOCTR INES: If indeed summons was not properly served on petitioner, then his remedy was to file a petition for annulment of judgment under Rule 47 of the Rules of Civil Procedure. An action for the annulment of judgment is an equitable recourse that is independent of the case and is allowed only in exceptional cases, such as when there is no more available or other adequate remedy. If indeed summons was not properly served on petitioner, then his remedy was to file a petition for annulment of judgment under Rule 47 of the Rules of Civil Procedure. An action for the annulment of judgment is an equitable recourse that is independent of the case and is allowed only in exceptional cases, such as when there is no more available or other adequate remedy. [De Pedro v. Romasan Development Corp., 748 Phil. 706, 733-734 (2014) [Per J. Leonen, Second Division]. Under the doctrine of res judicata,