Rule 20 - Permissive Joinder of Parties(a) Permissive Joinder. (1) Probate Proceedings. In probate proceedings, all interested persons who seek the same action or relief may join in any application or petition for an informal or formal order for such action or relief. It shall not be necessary to serve notice of the proceedings upon any person joined as an applicant or petitioner. All interested persons appearing in a probate proceeding who have the same ground of objection may join in stating that objection or filing a written reply as provided in Rule 12(a)(2) of these rules. (2) Civil Proceedings. Rule 20(a) of the Maine Rules of Civil Procedure governs procedure in civil proceedings in the Probate Courts. (b) Separate Hearings. Rule 20(b) of the Maine Rules of Civil Procedure governs procedure in all formal probate and civil proceedings in the Probate Courts.