In a message to lawyers and employees at his firm on Tuesday, David Boies said Harvey Weinstein is no longer a client, and that Boies “would never knowingly participate in an effort to intimidate or silence women or anyone else”.

But law school ethics professors said multiple questions arise for Boies in the wake of a New Yorker report that the Boies Schiller Flexner chairman contracted with an agency linked with former Israeli Mossad agents, in a bid to stymie efforts by The New York Times to expose Weinstein’s pattern of alleged sexual harassment.