This was reported to RIA Novosti by the press secretary of the court Juno Tsareva.
According to the court, Korshunov is charged with especially large-scale fraud, but the plot of the criminal case is still unknown.
Alexander Korshunov was detained on August 30 at Naples airport at the request of the United States.
The Russian Foreign Ministry called the incident an example of unfair competition.
On October 3, a court in Naples rejected a defense motion for the release of the United Engine Corporation (UEC) employee Alexander Korshunov, who was arrested at the request of the United States.