Lawyers for former president Donald Trump asked the Supreme Court on Thursday to block release of his White House records to a congressional committee investigating the Jan. 6 attack on the U.S. Capitol.

Trump wants the justices to reverse a unanimous ruling from the U.S. Court of Appeals for the D.C. Circuit, which rejected his assertions of executive privilege and his request to keep secret roughly 800 pages of his papers. President Biden determined the material could be released to the committee.

Trump said the high court should determine whether that is proper.

“Absent judicial intervention, President Trump will suffer irreparable harm through the effective denial of a constitutional and statutory right to be fully heard on a serious disagreement between the former and incumbent President,” wrote Trump attorney Jesse R. Binnall….

The case presents novel constitutional questions about the rights of a former president. In 1977, as lawmakers pursued reforms following the Watergate scandal, the Supreme Court rejected former president Richard M. Nixon’s attempt to stop the release of White House tapes and documents. Congress went on to pass the Presidential Records Act, establishing that a president’s official records belong to the public, not the occupant of the office, and creating a process for handling disputes.

Former presidents have previously waived executive privilege when dealing with matters of national significance, including the arms-for-hostages Iran-contra affair under President Ronald Reagan and the 9/11 terrorist attacks during George W. Bush’s presidency.

In Trump’s case, the National Archives and Records Administration has identified hundreds of documents from the Trump White House deemed relevant to the House committee’s Jan. 6 investigation. As required, the material was first reviewed by the Biden White House and Trump’s lawyers….