Section 3

Any person being a grantee of a patent in the United Kingdom or any person deriving his right from the grantee by assignment, transmission or other operation of law may apply to the Registrar of Patents within 3 years from the date of issue of the patent to have the patent registered in Singapore. Where any partial assignment or transmission has been made, all proper parties shall be joined in the application for registration:Provided that the Registrar of Patents may in his discretion accept the application where it is shown to his satisfaction that for any reason the application could not be made within 3 years from the date of issue of the patent in the United Kingdom.