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Patent Act — Article 99 (Transfer and Joint Ownership of Patents)

특허법 제99조

This English translation is based on the Korean text effective 2024-08-21. The Korean law has since been amended (current version effective 2025-11-11) — check the Korean original.

(1) A patent is transferable.

(2) If a patent is jointly owned, no joint owner of the patent may assign his or her share or establish any pledge right over his or her share, without the consent of all other joint owners.

(3) Except as otherwise agreed in writing, each joint owner of a patent may independently practice the patented invention without the consent of all other joint owners.

(4) If a patent is jointly owned, no joint owner of the patent may grant an exclusive or non-exclusive license of the patent, without the consent of all other joint owners.[This Article Wholly Amended on Jun. 11, 2014]

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