The form or letter must be signed and sufficiently describe the alleged misconduct (including approximate time and place). To begin the process, complete the Request for Investigation of an Attorney form.The AGC is the clearinghouse for complaints about the alleged misconduct of attorneys licensed or admitted to practice in Michigan. No due process available for the grievant? The filing of a bar complaint typically isn't a form of due process for the "grievant". Q. I want to file a complaint against an attorney, where do I start? A. The Attorney Grievance Commission processes complaints regarding Michigan Lawyers. Any complaints should be addressed to your state's bar association. Most will have a complaint form on their website and guidance on how to fill it out. All other pleadings must be served on the opposing party and each member of the hearing panel.