I think we need a little more information. Do you already have a lawyer for your case? An appearance is a legal document, and other documents will likely need to be filed with the appearance. Assuming you are the defendant, you might want to file a motion to dismiss or file an answer to the complaint. An attorney can help you with legal strategy and advise you on what needs to be filed. To answer your question, an appearance notifies the Court and opposing counsel that your lawyer is...