Any appeal would be heard by the Court of Appeals for the 11th Circuit in Atlanta, where Mr. Trump appointed six of its 11 active judges. “This would seem to me to be a genuinely unprecedented decision by a judge,” Mr. Rosenzweig said. Mr. Trump nominated her in May 2020, and the Senate confirmed her on Nov. 12, nine days after he lost re-election. But she said the other parts of the test favored Mr. Trump. While Mr. Trump does not own the government documents he repeatedly failed to return, the warrant permitted the F.B.I.