The new Twelfth Edition of the popular Problems in Legal Ethics reflects significant updating to integrate current events, new cases, and practical issues, while keeping its problem-centered focus. The new edition contains extensive additions addressing attorney impairments (including alcoholism, substance abuse, and depression) and client impairments (including diminished capacity). The bias chapter has been significantly reworked, updating statistics and studies, adding a new section on age bias, and adding references to overriding unconscious bias. Approachable, concise, and up-to-date, this practical new edition ensures that students understand the potential ethical pitfalls encountered in the practice of law.