Courts exercise jurisdiction over persons who are within its territorial jurisdiction: Nwabueze vs. Obi-Okoye (1988) 10-11 SCNJ 60 at 73; Onyema vs. Oputa (1987) 18 NSCC (Pt. 2) 900; Ndaeyo vs. Ogunnaya (1977) 1 SC 11. Since the respondent was fully aware that before the issuance of the writ the appellant’s abode or residence for the past one year was no longer at No.189, Off R.B. Dikko Road, Asokoro, Abuja within jurisdiction, substituted service of the processes should not have been ordered by the learned trial Judge.
— J.T. Tur, JCA. Abdulkardir Abacha v Kurastic [2014] – CA/A/406/2010