(2)  Subject to this section and to any agreement to the contrary, where there is more than one registered owner of a registered design, each of them shall be entitled, by himself or his agent, to do in relation to the design and for his own benefit and without the consent of, or the need to account to, the other or others, an act which would otherwise amount to an infringement of the design.

(3)  Subject to any agreement to the contrary, where there is more than one registered owner of a registered design, no registered owner shall, without the consent of each of the others, grant a licence for the use of the design or assign any interest in it.

(4)  Nothing in subsection (1) or (2) shall affect the mutual rights or obligations of trustees or personal representatives of a deceased person, or their rights or obligations as such.