Kieron Brian Coyle, 39 from Forest Park in Killygordon, denied raping the woman and sexually assaulting her in Galliagh.
A police office described Coyle as a “predatory attacker” who posed a risk to women.
Officers also seized the defendant’s car and forensic tests have been fast-tracked.
The officer said as a result of his arrest the police were also reviewing a number of allegations of a similar nature.
She added that two previous allegations of a sexual nature made against him by two other women were not proceeded with.
Bail was refused and the defendant was remanded in custody.