Washington DC - Hunter Biden, the son of President Joe Biden, will soon head to trial after a federal court rejected his attempt to challenge the case.

According to ABC News, the Third Circuit Court of Appeals, consisting of a three-judge panel, ruled to dismiss Hunter's appeal of the case on Thursday, noting it was the "improper time for them to take up such an appeal."

Last year, the 54-year-old pleaded not guilty to felony gun charges stemming from his 2018 purchase of a .38-caliber Colt Cobra revolver when, by his own admission, he was addicted to drugs.

Hunter's trial comes as his father is running for re-election against Republican candidate Donald Trump, who lost to President Biden in 2020.

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Congressional Republicans have opened an impeachment inquiry into what they have repeatedly referred to as a Biden family criminal conspiracy, but have provided no evidence that the president has done anything illegal.

Hunter will be back in court on May 24 for a pretrial conference, and the trial is scheduled to begin on Monday, June 3.