In any of the following cases, an examiner shall determine to reject an application for registration of an extended patent term under Article 90:
1. Where it is found unnecessary to obtain permission, etc. under Article 89 (1) for practicing the relevant patented invention;
2. Where a patentee or an exclusive license holder or a registered non-exclusive license holder on the relevant patent fails to obtain permission, etc. under Article 89 (1);
3. Where the length of extension requested exceeds the period during which the relevant patent invention could not be practiced under Article 89;
4. Where the applicant for registration of an extension is not the patentee;
5. Where the application for registration of an extension is filed in violation of Article 90 (3).[This Article Wholly Amended on Jun. 11, 2014]