Kavanaugh has denied the allegations.
Ford's attorney Michael Bromwich sent a letter to the committee's Republican chairman, Senator Chuck Grassley, on Monday in which he objected to a plan by the panel's Republicans to hire an "experienced sex crimes prosecutor" to conduct the questioning at Thursday's hearing.
It is not necessary for Kavanaugh to secure a majority vote by the committee in order for the full Senate to vote on his confirmation.
Find all 9NEWS coverage of the Brett Kavanaugh confirmation fight at this landing page.
In a break from convention, the outside lawyer, whose name was not released, will question Ford and Kavanaugh on behalf of the committee's Republican senators, 11 white men. Trump has dismissed both accusations as a "Democratic con job".
Sen. Lisa Murkowski (R-Alaska) suggested in an interview published Tuesday that she could break with her party over Brett Kavanaugh's sexual abuse allegations - a move that could sink the Supreme Court nominee.
Mr McConnell expressed his confidence despite several Republican senators apparently having reservations about whether they would vote to confirm Judge Kavanaugh.
Hanging in the balance is Trump's chance to swing the high court more firmly to the right for a generation.
Ford has alleged that Kavanaugh drunkenly pinned her to a bed, groped her and put his hand over her mouth to stifle her screams as he tried to take off her clothes at a house party in the early 1980s.
Aadhaar verdict big victory for pro-poor Modi government: BJP
Justice Sikri said that "minimal demographic & biometric data of citizens are collected by the UIDAI for Aadhaar enrolment". The "Aadhaar case" has gone on to become the second-longest hearing in the history of the Supreme Court. .
Of the Democrats, Trump said, "They go into a back room and they talk with each other, and they laugh at what they're getting away with".
Graham said Ford's account, which lacks some details such as the location of the house party and the exact date of the incident, would be hard to weigh.
His reputation took another blow, however, when his former Yale roommate James Roche said he believed Ramirez. "We have to listen to what she will say on the record, under oath, and what Judge Kavanaugh will say on the record, under oath".
The accusations from Ford and Ramirez roiled the Supreme Court nomination process at the 11th hour, energizing sexual assault victims and the broader #MeToo movement, threatening Kavanaugh's career and reputation and risking the court's standing as it prepares for Monday's start of the 2018 term.
Republicans have been determined to keep Kavanaugh's confirmation process on track in the face of the allegations. The matter came up again when Justice Anthony Kennedy announced his retirement and Trump had a second seat to fill.
"I can tell you that false accusation and false accusations of all types are made against a lot of people", Trump, who himself has been accused of sexual misconduct by more than a dozen women, said. The two met at a Mountain View, California, restaurant, where Ford arrived "visibly upset". "And we're doing it strictly to depoliticize the whole operation, to offer Dr. Ford the professional environment she asked for", Grassley said. "I remember her saying the assailant was now a federal judge". Surely she would have reported it to police if the encounter was "as bad as she says", the president said.
"So you're saying through all these years that are in question that you were a virgin?".
By the time the committee holds its hearing Thursday, there could be a third Kavanaugh accuser.