The seven-man panel of justices led by Justice Inyang Okoro said the date for judgment would be communicated to the parties.
Mr Obi, in his appeal, maintained that the PEPC erred in law and thereby reached a wrong conclusion.
While delivering its judgment, the judges mocked the petitioners who brought the EU-EOM report to court.
It is very clear that there are many questions begging for answers.
A Senior Advocate of Nigeria, Theo Osanakpo, said, “What may be factually correct may be legally incorrect.’’
He also called on all candidates to come together and support Mr Tinubu and ensure that Nigeria is fixed.
“Democracy, as you all know, is not a destination but a journey, and it takes our resolve, our intent, our commitment to be the custodians of the will of the people.”
The president’s office said he welcomed affirmation of his election with an intense sense of solemn responsibility and preparedness to serve all Nigerians.
The tribunal maintained that Mr Tinubu was duly qualified to contest the February 25 presidential election
Justice Abba Mohammed, a member of the five-member panel of justices, informed the court that membership in a political party is an internal affair.
