(a) to make, use, exercise, offer to dispose of, dispose of or import the patented
invention;
(b) to grant a licence or to assign the whole or any part of his interest in the patent; or
(c) to take any steps or Institute any proceedings relating to the patent:

Provided that he may pay any renewal fee that is payable without recourse to any
other patentee, unless the commissioner directs otherwise in proceedings in
terms of subsection (6).