Trump Says Biden’s Pardons are ‘Void’ and ‘Vacant’ Because of Autopen
New York Times
The use of the autopen, a device that reproduces signatures and is ubiquitous in government and business, is ordinarily uncontroversial. There is no power to undo a pardon in the Constitution or case law.
https://www.nytimes.com/2025/03/17/us/autopen-pardons-biden-trump.html