The PPM congress in September where Yameen was elected president was legitimate, the Supreme Court ruled.
The High Court ordered Adeeb's temporary transfer pending a judgment on an appeal.
The Maldives is ranked 124 out of 180 countries.
The new party is trying to complete registration in time to field candidates for the parliamentary elections.
The MDP proposes a dramatic reduction in the powers of the Supreme Court.
President Solih expressed confidence that the JP would remain in the coalition.
Protesters have calling for the arrest of a former lawmaker accused of insulting Islam.
Husnu Suood alleged gangs nominate judges and "fix" trials by intimidating secret witnesses.
The vandalism came amid growing calls to punish those who mock or insult Islam on social media.
Ballot boxes for the Thinadhoo South constituency were also recounted after complaints.
JP leader Gasim Ibrahim announced he was open to talks with other parties to challenge the MDP.
Adeeb was taken back to prison after he was discharged from hospital.
Five MPs were defeated by challengers.
JP MP Abdul Latheef Mohamed proposed amending the criteria for parliamentary candidates.
The UAE started granting 30-day on-arrival visas for Maldivians on January 1.
The PPM's former leaders denied forming a new political party to escape debt.
The anti-corruption NGO made recommendations as "prerequisites to establishing a robust asset declaration regime."
