The ruling by a federal court follows its October dismissal of the porn actress' defamation suit against the president.
A new Wall Street Journal investigation suggests the president likely violated campaign finance law as a candidate in the 2016 election.
The president acknowledged he repaid his personal lawyer for hush money given to porn actress Stormy Daniels after claiming he didn't know about the payments.
Donald Trump's personal attorney says he will assert his constitutional right against self-incrimination in a civil case brought by the adult film actress.
Federal prosecutors say the president's personal attorney is being investigated for alleged "acts of concealment" and suspected fraud.
In a highly anticipated interview with CBS' "60 Minutes," the porn actress says an unidentified man approached her and her infant daughter in a parking lot and hinted at physical violence.
The money, which attorney Michael Cohen says was his own, was given to Stormy Daniels, who at one time claimed she had a sexual encounter with Donald Trump. The Federal Election Commission is looking into the matter.