Self-deprecation is the act of reprimanding oneself by belittling, undervaluing, or disparaging oneself, or being excessively modest. It can be used in humor and tension release. Self-deprecation is often perceived as being a characteristic of certain nations, such as Great Britain, Ireland, Australia and New Zealand, where  blowing one's own trumpet  is frowned upon. Famous examples include English comedian David Mitchell.
Remand (court procedure) To remand is to send back or remit. In the law of the United States, appellate courts are said to remand cases when sending them back to an inferior court for further action, such as a new trial. Federal appellate courts, including the Supreme Court, have the power to remand cause and...
It means that he has filed a petition and the court gave him back the court stamped summons and petition so that he can serve you. Summons issued just means the court has stamped it and it can be served. A case has been opened. He must now have you served and once that is completed, he will have to file a proof of service with the court, at which time you will have 30 days to respond.