Patent Act Article 59May 1, 2019

Limitations of patent right

The effects of an invention patent right shall not extend to the following circumstances:

1. acts done privately and for non-commercial purpose(s);
2. necessary acts to exploit the invention for research or experimental purpose(s);
3. acts done by a person who has been exploiting the invention or making all the necessary preparations for doing such act in this country before the filing date of the invention. However, this provision shall not apply where the person has learned of the invention from the patent applicant for less than twelve (12) months and the patent applicant has made a statement reserving his/her right to a patent being granted;
4. a vehicle merely passing through the territory of this country, or any device of such vehicle;
5. where a patent granted to a person not the owner of the right to apply for a patent is revoked as a result of an invalidation action filed by the patentee, acts done by a licensee who has, prior to invalidation, been exploiting the invention or making all the necessary preparations to do such an act in good faith;
6. where, after the sale of a patented product made by the patentee or made under consent of the patentee, using or reselling such product. The making and selling as stated above are not limited to acts done domestically; and
7. where, after an invention patent is extinguished pursuant to Subparagraph 3, Paragraph 1 of Article 70 and before it is reinstated and published pursuant to Paragraph 2 of Article 70, acts done by a person who has been exploiting the invention or making all the necessary preparations to do such an act in good faith. "The person exploiting the invention as stated in Subparagraphs 3, 5, and 7 of the preceding paragraph, may continue such exploitation within the original business purpose(s).

A licensee as stated in Subparagraph 5 of Paragraph 1, who continues to exploit the invention after the patent is revoked, shall pay the patentee a reasonable royalty from the date of receiving a written notice from the patentee.

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Patent Act Article 70May 1, 2019

Extinguishment of patent right

An invention patent right shall become extinguished under any of the following circumstances:

1. where the patent term has expired, and the patent shall become extinguished;
2. where the patentee has passed away without heirs;
3. where the annuity of the second or any subsequent years is not paid within the payment time period, the patent right shall become extinguished retrospectively after the expiration of the original due date; or
4. where the patentee abandoned the patent, the patent right shall be extinguished from the date the patentee makes a declaration in writing.

The patentee who unintentionally fails to pay a patent annuity within the time period for late payment set forth in Paragraph 1 of Article 94 may apply for reinstatement of the patent rights within one (1) year after the expiration of the time period of late payment by paying triple the amount originally due, whereby the Specific Patent Agency shall publish with respect to the above.

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