What Lies Ahead in the James Comey and Letitia James Court Battles?

A pair of well-known opponents of former President Trump secured significant legal victories on Monday when a US judge dismissed the government's charges against them.

Over recent weeks following their charges, ex-FBI chief James Comey and New York Attorney General Letitia James have maintained fiercely that they are not guilty, asserting that the administration and DOJ are simply singling out them for revenge.

US District Judge Cameron Currie dismissed the indictments against them due to prosecutor Lindsey Halligan's invalid appointment as federal prosecutor. However, she left open the possibility for the federal authorities to refile the case.

• Court throws out charges against former FBI chief Comey and NY attorney general James
• US judge says government 'missteps' may have tainted the Comey trial
• What are ex-FBI director James Comey accused of?

Comey acknowledged that possibility after the ruling, saying he thinks the former president is likely to target him once more.

And White House spokeswoman Abigail Jackson seemed to confirm it: This isn't the last chapter on this issue.

But the DOJ faces significant hurdles to successfully prosecute either after this defeat, and legal analysts hesitate to predict what could happen next due to the cases' unprecedented nature.

In my view, it's uncharted territory, stated Professor Kay Levine, Emory University School of Law professor.

Could the justice department challenge the ruling?

The Department of Justice can contest the judge's decision before a federal appeals court. In this case, that would be the Fourth Circuit Appeals Court.

US Attorney General Pam Bondi indicated she would take this route, vowing to use all legal means, including an immediate appeal.

Previously, the former administration has aggressively appealed adverse decisions, taking cases from lower courts and sometimes accelerating its requests up to the Supreme Court.

Abbe Lowell, an attorney representing James, vowed to keep fighting any further politically driven indictments through every lawful means available.

In the event of an appeal, the justice department probably would have its own lawyers present the arguments, making Halligan's involvement in the appeal unclear.

Could there be new charges?

The government charged James Comey with lying to lawmakers and obstructing justice. Government lawyers indicted James with bank fraud and making false statements to a bank.

Both entered not guilty pleas. In addition to claiming Halligan was unlawfully appointed, they also asserted to be targets of retaliatory legal action.

Since the initial charges were dismissed (though, of course, appeals could change that), the government might try to assemble new grand juries and secure new charges.

Based on my analysis, a new prosecutor could bring James' case to a new grand jury and secure a fresh indictment, stated Professor Levine.

But legal expert John Day, head of the American College of Trial Lawyers, said it could be a complicated path – certainly in Comey's case.

I can tell you it will be hotly contested, whether Mr Comey's case can be re-indicted if a properly assigned attorney is appointed and is can obtain an indictment.

He characterized the tangle of lawyers, judges, and motions involved as a legal quagmire with no easy solutions.

It could be more difficult for the DOJ to try to bring the identical accusations against Comey.

One problem is the statute of limitations – the deadline that prosecutors had to indict Comey for these particular claims – which expired at the end of September. Nonetheless, the indictment's dismissal would activate a six-month grace period for the justice department to bring the case again.

Still in that case, his legal team said it plans to contend the government is out of time.

The decision further indicates that because the charge is void, the time limit has run and there can be no further indictment, attorney Patrick Fitzgerald said on Monday.

What happens to prosecutor Lindsey Halligan?

In both decisions on the charges against Comey and James, Judge Currie was blunt: Halligan's appointment was improper.

Judge Currie wrote in the James ruling that the AG's effort to install Halligan as Interim US Attorney for the Virginia Eastern District was unlawful.

As a result, Halligan had no lawful authority to present the indictment, the judge wrote.

US attorneys are nominated by the US president and require US Senate confirmation. Federal statutes govern how people can be appointed on a interim basis, but Judge Currie found that Halligan's assignment had violated these regulations.

That leaves Halligan's role on future cases against both individuals, once more, unclear.

The ruling also could raise doubts on other cases Halligan has prosecuted in the Virginia Eastern District where she works.

But Attorney General Bondi said on that day that she designated her a special US attorney and praised her work as outstanding.

The administration maintained its position that Halligan's appointment was legal, press secretary Karoline Leavitt told the press on Monday.