EXAMINATION AND GRA~T OF PATENT
13. If on examination of an application, it is discovered tha t
the formal requirements of rule 11 of these Rules have not
been complied with, the Registrar shall rej ect the application.
14. Where the examination shows that the application
satisfies the requirements of rules 8 and 11 of these Rules,
the Registrar shall grant the patent.
15. Upon the grant of a patent, the Registrar shall issue
to the applicant a document in Form 4 which shall bear the
relevant number, the name and domicile of the patentee or
his successor or assign if any, the dates of the patent
application aI!d the grant, the ti tIe of the invention and the
period of its validity, with reservations as to the rights of
third parties, the number and date of the application on
which a claim of foreign priority is based and the name of
the foreign country concerned and where appropriate the
name and address of the true inventor; a copy of the
specification and a copy of the relevant drawings and plans,
if any, shall be annexed to it.
REGISTRATION AND PUBLICATION
16. As soon as may be, after the grant of a patent, the
Registrar sha11(a) enter the particulars of the grant in the Register and
this shall consist of the particulars named in rule 15 of
these Rules; and
(b) cause to be published in the Federal Gazette a notification of the grant containing the details mentioned
in nile 15 of these Rules (except the description and
the plans and drawings, if any) or a summary thereof
if a summary form of notification is prescribed.
DURATION OF PATENTS
17. Subject to regular payment of the annual fees due,
patents shall be valid for twenty years from the date of the
filing of the relevan t patent application.