Hong Kong Regulations

PATENTS (GENERAL) RULES - SECT 74

Divisional short-term patent application under section 116 of the Ordinance

(1) Subject to section 122 of the Ordinance, a new short-term patent
application within the meaning of section 116 of the Ordinance, may be filed
at any time after the filing of the earlier application, except that a new
application may not be filed after the earlier application has been refused,
is withdrawn, or is deemed to be withdrawn.

(2) Where possible, the description and drawings of the earlier application
and the new application shall relate only to the matter for which protection
is sought by each such application; however, where it is necessary for an
application to describe the matter for which protection is sought by reference
to another application, such reference shall include the application number of
that other application and shall indicate the matter for which protection is
claimed in the other application.