Junior partner yes, but not equity partner. You only need to stay six to eight years for the firm to make you a junior partner, but it can be a decade or never for equity partner. If you are not bringing in business, the firm has no incentive to give you a share of the profits.

But I should add that even for junior partner, it's a big IF whether you stay long enough. The attrition rate is over 50% three years post-call, and beyond five years, close to 80%. Some will leave the profession completely, many will move in-house, and others will join the legal service.