The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template.What's a character reference letter? A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. A character letter's goal is to provide the court with information regarding the Defendant's character outside of this specific situation. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. Customer: I am looking for samples of character references to a judge for my son. Lawyer's Assistant: What state are you in? Defend a friend or family member's moral character in court.