In courts across the country, the Trump campaign has filed lawsuits challenging the counting of mail-in ballots in the 2020 election, which President Donald Trump has lost, but few have failed to stick. Instead, judges—both federal and state—have scrutinized lawyers arguing on behalf of the president’s campaign on the evidence presented in their courts on observing ballot-counting and whether there’s any evidence those ballots were fraudulently cast.

Finding that evidence lacking, judges have largely swatted down the legal challenges. Here’s a look at the judges behind those rulings, and what they’ve had to say about the Trump campaign’s arguments.