In an appeal filed (pdf) with the state's highest court, Ms. Lake alleged that the 8,000 ballots were either "duplicated or counted." What's more, they were also unreadable, her team contended.

"The ballot-on-demand printer investigation report by former Chief Justice McGregor ('the McGregor Report') found that 'four printers randomly printed one or a few 'fit to page' ballots in the middle of printing a batch of ballots … [n]one of the technical people with whom we spoke could explain how or why that error occurred,'" said the appeal.

An expert for Mrs. Lake, a former Fox affiliate anchor, had "testified this 'error' could only result from malware or remote access and resulted in at least 8,000 misconfigured ballots, the vast majority of which were neither duplicated nor counted," it added.

The defendants in the case, including Maricopa County officials and the Arizona secretary of state's office, have not issued a public response or filing in the case.

Courts Have Little Appetite

While a number of her legal challenges have been rejected by state courts, Ms. Lake has said she would take her lawsuit to the U.S. Supreme Court if needed, although the top court has shown little appetite to take up election challenges since late 2020.

"This is, I believe, our best hope to get reform in our elections: my case," she said in a recent interview.  "I believe it's the greatest election case. We have the truth on our side. We have tons of evidence. Yes, we haven't had a judge rule in our favor. But it takes a lot of courage to make the right ruling on this case."

Ms. Lake has never conceded the race to Democrat Gov. Katie Hobbs, who was sworn into office earlier this year. At the same time, Ms. Lake has signaled in media interviews that she may be exploring a run for the U.S. Senate seat that is currently held by former Democratic Sen. Kyrsten Sinema (I-Ariz.) in what could be a three-way race between Ms. Lake, Ms. Sinema, and Rep. Reuben Gallego (D-Ariz.).

Her challenge comes as another court, in a separate, case ordered Ms. Lake's and former Secretary of State candidate Mark Finchem's teams to pay $122,200 in sanctions. U.S. District Judge John Tuchi in Phoenix wrote that former Harvard Law professor Alan Dershowitz also has to pay about 10 percent of that fine because, according to Mr. Tuchi, Mr. Dershowitz signed off on a number of legal documents in the case.