(1) A person who intends to obtain grant of a patent registered under Article 87 (1) shall pay patent fees for three years from the date when he or she intends to obtain grant of the patent registered (hereinafter referred to as "registration date of grant"), and a patentee shall pay patent maintenance fees each year for subsequent years, based on the anniversary of the registration date of grant of the relevant right.
(2) Notwithstanding paragraph (1), a patentee may pay patent fees for several or all years in the order of consecutive payment years in lump sum.
(3) Patent fees payable under paragraphs (1) and (2), the methods of, and deadline for the payment thereof, and other necessary matters shall be prescribed by Ordinance of the Ministry of Trade, Industry and Energy.[This Article Wholly Amended on Jun. 11, 2014]