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.Essentially, the grievance is usually submitted on an Office of Attorney Ethics form that allows for attachments. 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. NJ attorney ethics grievances and complaints follow a set procedure. Lawyers should be aware of the nuts and bolts of how that system works. If you believe the attorney violated the ethics rules, you may file a complaint, but you will need to be able to delineate what it is you think he did wrong. Complaints must be submitted in writing to the Office of Chief Disciplinary Counsel. A look at what to do if an ethics grievance is filed against you and what sort of discipline is meted out for violations. V. : ETHICS COMMISSION.