Overseas-resident foreigner shall enjoy neither a patent nor any right in a patent, except in any of the following cases:
1. Where the country to which a foreigner belongs allows nationals of the Republic of Korea to enjoy a patent or any right in a patent under the same terms and conditions as those applicable to the nationals of the country;
2. Where the country to which a foreigner belongs allows nationals of the Republic of Korea to enjoy a patent or any right in a patent under the same terms and conditions as those applicable to the nationals of the country, if the Republic of Korea allows the foreigner to enjoy a patent or any right in a patent;
3. Where a foreigner is allowed to enjoy a patent or any right in a patent under a treaty or any arrangement equivalent to a treaty (hereinafter referred to as "treaty").[This Article Wholly Amended on Jun. 11, 2014]