(1) Where a non-exclusive license has been registered, it shall also be effective against any person who subsequently obtains the patent or an exclusive license.
(2) A non-exclusive license granted under any of the provisions of Articles 81-3 (5), 103 through 105, 122, 182, and 183 of this Act and Article 10 (1) of the Invention Promotion Act shall have the same effect as prescribed under paragraph (1), even where it is unregistered.
(3) No person may have a valid claim or defense against a third party on the ground of the transfer, amendment, or extinguishment of a non-exclusive license, restriction on the disposal of a non-exclusive license, the establishment, transfer, amendment, or extinguishment of a pledge right over a non-exclusive license, or restriction on the disposal of a pledge right over a nonexclusive license, unless it is registered.[This Article Wholly Amended on Jun. 11, 2014]