A lawyer for the accuser in Bill Cosby's criminal sex assault case says Cosby is using the courts to bully her client and other trial witnesses.

Cosby has sued accuser Andrea Constand for talking to police who reopened the 2005 case last year.

Andrea Constand who accused Bill Cosby of sexual assault walks dogs in Toronto Dec 30 2015

Andrea Constand, who accuses Bill Cosby of sexually assaulting her, walks in a park in Toronto, on Dec. 30, 2015. (Mark Blinch/Reuters)

He says that violated the confidential settlement of her civil lawsuit. Cosby therefore wants the woman to return the settlement money.

Cosby also sued Constand's mother and lawyers in the complaint he initially filed under seal Friday.

Constand lawyer Dolores Troiani in a response this week says the secret filings are an effort by Cosby to create a "shadow court system" that is free from public scrutiny.

The Cosby Show star sued Constand a day before a key hearing in his criminal case.