Write down all of the information pertaining to your complaint. When you file a formal complaint about one of your law school's professors, you must have as much information as possible to back up your claims.
Contact the office of student affairs. Provide the office with your name, contact information and the information regarding the incident and professor. You must provide the reason for your complaint, the date or dates of the alleged incident and any evidence you have to back up your complaint.
Sign the formal complaint form at the office of student affairs. An investigation into your complaint should be launched once your complaint is filed; you could be asked for additional information at any time.