President Donald Trump questioned former President Joe Biden’s autopen-signed pardons, calling them “void," as experts weigh whether courts could rule on the validity of presidential clemency.

citing a 1929 Justice Department opinion indicating the acting president can pardon someone however they choose. The White House’s legal counsel argued for Bush’s use of the device in 2005 ...

White House press secretary Karoline Leavitt ... Mark Milley and Dr. Anthony Fauci. “The ‘Pardons’ that Sleepy Joe Biden gave to the Unselect Committee of Political Thugs, and many others ...

"It could open a Pandora's box if a sitting president tried to undo a pardon by one of their predecessors," one expert told ABC News.

"An autopen would raise a real problem if he signed it by autopen, which is not a real signature," Alan Dershowitz said.

President Donald Trump claimed pardons for members of the Jan. 6 House Select Committee, and others, are not valid because ...

The use of an autopen, a device that reproduces signatures, is ordinarily uncontroversial. There is no power to undo a pardon in the Constitution or case law.