It's a huge field, but the core rules for lawyers are here: https://www.americanbar.org/groups/professional_responsibility/publications/model_rules_of_professi

It's a huge field, but the core rules for lawyers are here: https://www.americanbar.org/groups/professional_responsibility/publications/model_rules_of_professional_conduct/model_rules_of_professional_conduct_table_of_contents/ https://www.americanbar.org/groups/professional_responsibili... As one of many, many examples, leaders in the employment law field regularly write publicly about fair employment practices (particularly when it comes to discrimination, whether racial, age-related or disability-related), and strive for changes in the law and in employers' practices. At the same time, they also counsel their employers or clients about the rules and about compliance. That's fine. But a lawyer generally cannot publicly critique their employer/client without permission. Public disclosure of an employer's or client's confidential information without permission violates, for example, ABA model rule 1.6, and is a great way to get yourself disbarred (or at least face disciplinary action).