If successful, it would be the first deposition of a sitting U.S. president since President Bill Clinton in 1998, when the Democrat had to answer questions about his encounter with Paula Jones, a former state employee who sued him for sexual harassment.
Otero's ruling comes in response to a memo filed Wednesday by Daniels' attorney Michael Avenatti seeking an expedited jury trial to begin "no later than 90 days" after the request is approved, and for depositions of both Trump and Cohen to occur within three weeks of the ruling.
The deposition of President Donald Trump and his personal lawyer Michael Cohen in the case over Stormy Daniels' nondisclosure agreement is "absolutely not going to happen", Cohen's attorney said on Thursday.
Attorneys for Summer Zervos, a former contestant on one of Mr Trump's Apprentice reality TV shows, say they want to depose the President as part of a defamation suit.
It is a particular irony that these women whom Trump has tried so hard to silence present the most immediate peril to the success of his presidency - even as a fleet of FBI lawyers investigate his campaign. Kelly doubted lawyer David Schwartz's claim that his client will get "millions" from Daniels.
The lawsuit alleges that McDougal was paid for the rights to her story of an affair, but the story never ran.
President Trump has refrained nearly entirely from addressing the Stormy Daniels scandal. Daniels said she had unprotected sex with Trump in 2006 and was later threatened for telling her story.
Despite using a Trump Organization email address to facilitate the $130,000 payment, Cohen claims that he was acting on his own and that the president was never involved in the payoff.
Stormy Daniels' request for Donald Trump to submit a deposition regarding his participation in their "hush agreement" was dubbed premature by a California federal judge.
A hearing date is scheduled for April 30. Later in 1998, Clinton also gave grand jury testimony about his relationship with White House intern Monica Lewinsky.
Instead, he left the denials to his White House staff. Spokesman Raj Shah declined to say whether the president had watched Daniels' interview, but said Trump did not believe any of the claims she made.
Daniels said a mystery man approached her in a Las Vegas parking lot in 2011 and threatened to hurt her and her baby daughter if she didn't "leave Trump alone".