No, you do not need a new power of attorney to process your renewals through our system. South African patent attorneys are registered with the South African patent office and are authorized to file renewals for any patent on the register, regardless of who is currently indicated as address for service.
We negotiate with patent attorneys to obtain discount based on bulk instructions. Once you process your order, we will appoint a patent attorney to attend to the renewal on your behalf. (See also what happens to my current attorney?)