(1) An opponent in a substantive opposition, other than a section 101M opposition, must file a statement of grounds and particulars within 3 months from the day the notice of opposition is filed.
(2) The statement of grounds and particulars must be:
(a) in the approved form; and
(b) accompanied by a copy of each document mentioned in the statement, unless the document:
(i) is open to public inspection; and
(ii) relates to a provisional or complete application for a patent.
(3) The Commissioner must give the applicant a copy of the statement and accompanying documents as soon as practicable.