Comedian Bill Cosby is taking legal action against model Beverly Johnson, saying she defamed him by accusing him of drugging her, and making her the eighth accuser he has filed a suit against this month.

Johnson is among more than 50 women who have come forward in the past year with claims that Cosby had drugged, and in numerous cases, sexually assaulted them in incidents dating back decades.

Cosby’s suit, which he lodged on Monday, claims Johnson, a leading model in the 1970s and ’80s and one of his most high-profile accusers, defamed him and intentionally inflicted emotional distress.

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He is demanding a jury trial, court documents filed in Los Angeles Superior Court show.

Cosby’s representative Monique Pressley said in a statement that “Mr. Cosby states that he never drugged defendant and her story is a lie.”

A representative for Johnson was not immediately reached for comment.

Cosby, 78, has repeatedly denied wrongdoing and has never been criminally charged.

Many of the alleged incidents occurred decades ago and the statute of limitations for prosecuting them expired long ago.

Last week, Cosby filed a lawsuit in Massachusetts, suing seven of the accusers for defamation.

The seven women had filed suit against Cosby last December accusing him of assault, libel and slander.