But in the ruling that ousted Mr. Sharif from office previous year, the Supreme Court concluded that he and his family members could not adequately explain how they were able to afford the expensive London apartments and that they failed to provide a money trail.
After the conviction, it was not sure if Sharif and Maryam would come back to face rigorous imprisonment.
He said Sharif made Pakistan a nuclear power by rejecting worldwide pressures and served this country.
Former Prime Minister Nawaz Sharif's daughter, Maryam Nawaz, had filed her papers to contest the July 25 elections from NA-127 and PP-173.
Nawaz Sharif, speaking to reporters in London late Friday, said he planned to return to Pakistan and was willing to go to prison in his effort to free Pakistanis "of the slavery imposed on them by some generals and judges". The National Accountability Bureau (NAB) court accused Sharif and his family of being unable to legitimately show the money trail for the purchase of several luxurious properties in London, mostly in the mid-1990s.
Sharif, 68, is now in London attending to his wife Kulsoom Nawaz who was diagnosed with throat cancer past year.
Addressing a public gathering in Lower Dir on Friday, he said that Nawaz Sharif has gotten what he had done so far, adding that the ex-PM lied to hide his London properties.
The court ruled that the Sharif family's Avenfield apartments in London shall be seized by the federal government.
The Panama case dominated not just the political spectrum for the last two years, but also rattled the equity market.
But he has kept control of the Pakistan Muslim League-Nawaz (PML-N) party that he founded.
Analysts believe that if they return, it might boost the chances of good showing in elections by the PML-N due to sympathy vote.
But the military ended Sharif's second stint in power in 1999 in a bloodless coup.
Ousted Pakistani Prime Minister Nawaz Sharif attends a seminar in Islamabad in April 2018.