My guess would be 3" fingernails with inlays. Not the kind of person I would pick for a lawyer.
These were displayed at the BlackStylists.com site, under the headline, "Want To Look Good? Your Nails Can Make A Difference!"
Those styles would not look good in the law office. But I can tell you from personal experience that a white woman who is a partner in a private law firm may be able to get away with frighteningly long, red nails, because I had occasion to remit payment for services to such a lawyer some years ago.
They were like this, only longer: