940

Disclaimer
oralteration,

Amendment
of speciti-
‘ation,

Infringe-
ment

Revoes

Ch. 31. No. 18.) Patents, Designs and Trade Marks.

may, in his diseretion, extend the same for any period not
exceeding seven years, and may in like manner extend such
further period toa like extent as often as he shall deem right.

7. Any patentee may on payment of the prescribed fee,
enter with the Registrar a disclaimer of any part of either
the title of the invention or of the specification, stating the
reasons for such disclaimer, or may enter a memorandum
of any alteration in such title or specification, not being
such diselaimer or such alteration as would make the patentee
claim an invention substantially larger than, or substantially
different from, that claimed by the specification as it stood
before such amendment and such disclaimer or memoran-
dum of alteration being filed by the ‘aid Registrar shall be
deemed and taken to be part of such title or specification :
Provided that the foregoing provisions of this section shall
not apply to a patent in respect of which an action for
infringement or proceeding for revocation of a patent is
pending.

8. Every amendment of a specification shall be advertised
in the Roval Garette

9. A patentee may restrain any person from infringing
lis patent, and may recover damages for such infringement
bv action in the Court.

10. (1) Revocation of a patent may be obtained on
petition to the Court on any of the ‘following grounds,
namely:

(a) that the patent was obtained by fraud;

(6) that the patentee was not the true inventor or
proprietor of every invention included in his claim;

(c) that anything claimed by the patentee as his
invention was publicly manufactured, used, or sold

within the Colony before the date of the patent, or
included in some prior patent.

(2) A petition for revocation of a patent may be
presented by-
(a) the Attorney General or Solicitor General, or
any person authorised by them or either of them;