Former porn star Sasha Grey has obtained a year-long restraining order against her ex-boyfriend amid allegations of abuse.

The Girlfriend Experience actress was initially granted a temporary protective ban last month (Sep14) after claiming Ian Cinnamon had been sending her threatening messages.

She further alleged that he had subjected her to years of sexual assaults and abusive behaviour and now a U.S. judge has extended that restraining order to last for a full 12 months.

Cinnamon has been warned to cut all contact with Grey and stay away from her or face jail, reports Tmz.com.