The day after the hearing, the committee voted to approve Kavanaugh but a agreement was reached at the request of Sen.
After the vote, Leahy told reporters that he felt the confirmation had eroded the public's trust.
"I applaud and congratulate the U.S. Senate for confirming our GREAT NOMINEE, Judge Brett Kavanaugh, to the United States Supreme Court", the president wrote minutes after Vice President Mike Pence officially announced Kavanaugh's confirmation. "Those are crippling blows to our country". Democrats expressed outrage of Republicans' handling of the allegations and efforts by the White House to limit the scope of the FBI investigation into the matter.
He said he thinks the week-long delay as the FBI investigated sexual misconduct allegations against Mr Kavanaugh was something positive. Three women have publicly accused Kavanaugh of sexual misconduct in high school and college.
The two-vote margin of victory made it the closest confirmation vote since 1881, when Stanley Matthews, President James Garfield's pick, sealed a 24 to 23 win. Susan Collins, perhaps the chamber's most moderate Republican, proclaimed her support for Kavanaugh at the end of a Senate floor speech that lasted almost 45 minutes. Lisa Murkowski, R-Alaska, was a "no", but voted "present" as a courtesy to Sen. Steve Daines, a Republican from Montana, could attend his daughter's wedding and did not have to attend the vote.
At stake in the confirmation battle over Kavanaugh were hot-button issues such as abortion and same-sex marriage that are likely to come before the court.
While she was among a handful of Republicans who helped sink Trump's quest to obliterate President Barack Obama's health care law past year, this time she proved instrumental in delivering a triumph to Trump.
He's said: "It's a very exciting time".
It drew the line under a bruising nomination process defined by harrowing testimony from a woman who says Kavanaugh tried to rape her when they were teenagers - and by his fiery rebuttal.
"Pushing toward confirmation while so many leads remain unexamined is forever going to taint Justice Kavanaugh and unfortunately the Supreme Court itself". It is inconceivable that any Republican senator will vote no.
Kavanaugh is expected to be a vote against LGBT rights, among other things. Demonstrations in Burlington and Montpelier were organized by Vermont-based social justice groups including Planned Parenthood Vermont Action Fund and Peace & Justice Center.
Kavanaugh, 53, sits on the U.S. Court of Appeals for the District of Columbia.
"We're grateful to Senators Patrick Leahy and Bernie Sanders for their leadership and for voting against this confirmation", Leriche said.