There’s no better marketing tactic for litigators than a big courtroom victory. But as a recent opinion by the American Bar Association’s standing committee on ethics and professional responsibility makes clear, there are limits to using a win for one client in order to attract others.

Rita Glavin of Seward & Kissel knows that success can beget success. Glavin represented former Dewey & LeBoeuf executive director Stephen DiCarmine, winning his acquittal last year on charges that included securities fraud and conspiracy.