"I don't think they'll be able to come to any kind of agreement", Senate Minority Leader Charles Schumer, D-N.Y., said in an interview with The Washington Post.
Here's a look at the 10 undecided Democrats and what they've said recently about Gorsuch.
The group's latest push comes as Senate Democrats are trying to block Gorsuch's nomination from reaching a final vote.
The group's ad blitz isn't the first time outside groups have jumped into the fight over a Supreme Court nominee.
The Judicial Crisis Network sees that stance as an opportunity. Michael Bennet of Colorado, Jon Tester of Montana and Joe Donnelly of IN, and are also hoping for support from Sen.
Two Democrats from states won handily by President Donald Trump last November, Sen.
Democrats are still fuming over the treatment of former President Barack Obama's Supreme Court nominee, Merrick Garland, who never even got a hearing from Republicans a year ago after Scalia died.
Senate Democrats have indicated their intent to filibuster Gorsuch's confirmation on April 7.
In an online post, McCaskill explained: "I can not support Judge Gorsuch because a study of his opinions reveal a rigid ideology that always puts the little guy under the boot of corporations".
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He explained the difference between people who occasionally tell lies and people who seem to enjoy telling lies. A year ago, C.K. emailed a letter to fans urging them to stop supporting Trump's candidacy.
Sen. Claire McCaskill, D-Mo., admitted it was "a really hard decision for me" but that she will vote against Gorsuch when his nomination comes up for a vote in the Senate next week - and will support a Democratic filibuster of him. Republicans on Friday accused her of pandering to liberal members of the base. Claire McCaskill says she will oppose Supreme Court nominee Neil Gorsuch and will vote with fellow Democrats to filibuster his nomination. In response, Mitch McConnell has gleefully embraced the "nuclear option" to blow up the filibuster.
The process requires the Senate majority leader to take the chamber into an executive session, the setting in which nominees are confirmed, according to Worth Hester, the assistant director of the Georgetown Government Affairs Institute.
Schumer argued against changing the rules in his floor speech.
Given the partisan combat over Gorsuch's nomination, the "60-vote threshold" has become a widely repeated Democratic talking point. On Thursday, one of his staunchest defenders, Sen.
Sens. Joe Manchin (D-WV) and Heidi Heitkamp (D-ND), who are even more imperiled in 2018, have both already committed to voting for Gorsuch.
MORE: Did senators get enough substance on Gorsuch's views? Dick Durbin, D-Ill., and Bernie Sanders I-Vt., referring to a requirement or a standard of 60 votes.
In reality, Gorsuch, like all other Supreme Court Justice nominees, needs only a simple majority to be confirmed by the Senate. "There isn't a ideal judge".
Highlights of the day for U.S. President Donald Trump's administration on Friday: RUSSIA AND THE U.S. ELECTION Trump backs a decision by his former national security adviser, Michael Flynn, to seek immunity in congressional investigations of possible ties between his campaign and Russia, but there is no immediate sign the request would be granted. Bennet hails from the same state as Gorsuch and introduced the federal judge at his hearing last week, along with the state's other senator, Republican Cory Gardner. Neil Gorsuch is a non-controversial nominee.