A 45-year-old man has denied a string of sex offences.
The man, who cannot be named to protect the identity of the alleged victim, denies ten sex offences allegedly committed between January 2007 and May 2012.
The include rape, indecent assault and sexual assault.
The defendant also denied assaulting the complainant.
Derry Crown Court heard the trial is expected to last two weeks.
The case will be mentioned again next month for a trial date to be fixed.
The 45-year-old was remanded in custody to appear in court again at a later date