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Declaration on Use of Patent and Compulsory License


The new IP Codenumbered 6769 abolished the provisions on “the use requirement of patents” and “the evidence of use” of the Decree-Law About the Protection of Patent Rights. The IP Code now focuses on the requirements of use for patents within the provision of a Compulsory License.

Accordingly, a patent owner must use the patented invention within three years following the publication of its granted decision in the Official Bulletin (‘the Bulletin’) or within four years from the date of its application, whichever is the latest. The patents that are not declared to be used within the period prescribed in the IP Codein accordance with Article 117/8 of the Regulation on the Implementation of the IP Code are published in the Bulletin. The Bulletin is an announcement made when a patent is not being used. Third parties are then aware that they may request the license over such a patent.

When assessing actual ‘use,’ market conditions and conditions outside the patent owner’s control, such as the need for pharmaceutical marketing authorisation, compliance with standards, and the lack of new applications in alternative fields, should be considered. At the end of the prescribed terms, any interested person may request a compulsory license on the grounds that the patented invention is not being used, no serious and real measures have been taken to make use of the patented invention, or that the level of the current use does not meet domestic demand. The same applies to cases where no use of a patent has been made for more than three years without justified reason.

Additionally, patent holders are requested to file a declaration of use of the patent with the Turkish Patent Office (the “Office”). The Regulation on the Implementation of the IP Code rules that the declaration of a patent use must be submitted to the Office under the same legal terms prescribed in the IP Code. In 2020, the Office simplified the said declaration by marking the button that the patent is or is not used in its online system. Patents that have not been used within this period will be published in the Bulletin. The publication, however, does not lead to any direct benefits or negative consequences. Even if a patent is not listed as a non-used patent, a third party may still request a compulsory license, claiming that the patent is not used, or that no serious and real measures have been taken to make use of the patented invention, or that the level of current use does not satisfy domestic demand. Even if the patent is listed, it does not mean that a compulsory license will be automatically granted.

When requesting a compulsory license, court procedure must be followed, and the declaration of a patent’s use filed with the Office may only be used to indicate the intention to use it. The lack of such declaration does not affect the procedures at court as the use may also be proven during court proceedings.

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