Businessman Adam Hock was slapped with four counts of third-degree assault after allegedly hitting Prince Pierre Casiraghi and three of his friends, including Paris Hilton's ex-boyfriend Stavros Niarchos III, following a confrontation at Manhattan hotspot Double Seven in February (12).
The royal, 24, was admitted to New York Presbyterian Hospital, where he was treated for a swollen jaw and scratched face, and discharged.
Hock and his lawyer Joseph Tacopina appeared in Manhattan Criminal Court on Thursday (24May12) and appealed to Judge Michelle Armstrong to dismiss the charges, insisting Casiraghi's injuries were nothing more than a "superficial scratch" and were not enough to bring about assault charges, according to the New York Daily News.
However, the motion to dismiss was rejected by Judge Armstrong after reviewing eyewitness accounts and police reports.
The case will return to court on 30 July (12).
Casiraghi, the third in line to the Monaco throne, is the youngest son of Caroline, Princess of Hanover.