To file a grievance (complaint) against an attorney, complete the Attorney Grievance Form. State what the lawyer did or failed to do which may be unethical.Thorough analysis of the scope of an attorney's ethical duty to report another attorney's misconduct. FACTS. If you think your lawyer has violated an ethical rule, you may file a complaint with the disciplinary board in the state where the lawyer is licensed. Complaints must be submitted in writing to the Office of Chief Disciplinary Counsel. Chelle Law provides an Arizona Bar Complaint Attorney for all State Bar of Arizona matters. Bar charges, character and fitness, discipline and more. Attorneys, ABSs and LPs must comply with the Supreme Court of Arizona's Rules of Professional Conduct, more commonly known as the Ethical Rules. Filing complaints against entities like the Bar can be procedurally complex. You cannot sue the opposing attorney under the circumstances you describe.