The new charges against Mr Weinstein, which date back to 2006, are punishable by a minimum sentence of 10 years and a maximum of life imprisonment, while he faces up to 25 years in prison if convicted of either of the offences relating to the first two women.
Weinstein has been granted bail after pleading not guilty to three new sex assault charges.
Harvey Weinstein (WYN'-steen) is due in a NY court for arraignment on charges alleging he committed a sex crime against a third woman.
Assistant District Attorney Joan Illuzzi, the lead prosecutor, began the proceeding by asking that Weinstein instead be confined to house arrest in Manhattan given the more serious charges he now faces.
Courthouse guards told people arriving for jury duty to wait or use a different entrance as Weinstein arrived on Monday.
The new charges - which he denied at the State Supreme Court - include two counts of predatory sexual assault for allegedly forcing a woman into oral sex.
"Mr Weinstein maintains that all of these allegations are false and he expects to be fully vindicated", Mr Brafman said.
One of the other two accusers, who has not been identified publicly, told investigators Weinstein allegedly cornered her in a hotel room and raped her in 2013.
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The top court had upheld the death sentences in May 2017 , following which the convicts had filed a review petition. She died two weeks later of injuries in a hospital in Singapore, where she had been taken for treatment.
He's been booted from the Motion Picture Academy and effectively blacklisted from Hollywood, but accused sexual predator Harvey Weinstein still thinks he can get his old job back.
Several actresses and models have accused Mr Weinstein of criminal sexual assaults.
Prosecutors spent most of the 20-minute hearing pushing to have the mogul placed under house arrest in New York City, a proposal that Weinstein's attorney objected to, noting that he now lives in CT.
A handcuffed Weinstein entered the court room on Monday wearing a dark suit, a white shirt, and a navy blue tie.
NY police said in early November that they were investigating allegations by another Weinstein accuser, Boardwalk Empire actress Paz de la Huerta, who told them in October that he raped her twice in 2010. Dozens of women have come forward in recent months to accuse the producer of assaulting or harassing them.
Through his company and Miramax, Weinstein won plaudits and awards for movies including "Shakespeare in Love", "Pulp Fiction", "Sex, Lies and Videotape", "The Crying Game" and "The King's Speech".
"If you are a survivor of the predatory abuse with which Mr. Weinstein is charged, there is still time to pursue justice", he said.