To sue someone in Massachusetts, you have to file a complaint with the clerk of the court. A complaint is not a specific form.First of all, you can't sanction opposing counsel, only the Court can "sanction. " Next, you don't "have" the preponderance of evidence. Note: This page covers information specific to Massachusetts. For general information concerning defamation, see the Defamation section of this guide. If you are a victim of defamation or have been wrongfully terminated, speak with an employment attorney today. Call our office now for a consultation. This is the complete guide to Massachusetts Defamation Law. Find Out If You Are Eligible for a Labor Lawsuit.