Once you've decided to take your grievance about an attorney to the State Bar, you need to file an attorney complaint form. Find out how to resolve a problem without going to court, file a complaint against a lawyer, and how to get money back from an unethical attorney below.Instructions for Filing a Complaint Against an Attorney Fill out all spaces on the complaint form completely. Instructions for Filing a Complaint Against a California Attorney. Fill out all spaces on the California Attorney Complaint Form completely. Explain your complaint in your own words. How do I file a complaint? Your complaint must be in writing. LSA operates from eight offices with one located in Anniston, Birmingham, Dothan, Huntsville, Mobile, Montgomery, Selma and Tuscaloosa. Click below to find reporting information for the State Bar (or designated agency) in your State.