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ARTICLE · 28 APRIL 2025

From Certificates To Courts: Litigating Second Medical Use Patents

The dubiety of second medical use patents has not been limited to which further therapeutic treatments qualify for exclusive rights...

United KingdomIntellectual Property

The dubiety of second medical use patents has not been limited to which further therapeutic treatments qualify for exclusive rights – nor their controversy to the perceived contribution to  thickets; crucial Intellectual Property (IP) issues regarding extended durations and applicable law have inevitably come to the fore. 

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With the lengthy period needed to receive a market authorization (MA) for a new medical product, a supplementary protection certificate (SPC) delivers much-needed assurance to the patent holder. The compensatory period of up to five or five-and-a-half years of exclusivity offsets the commercial impact arising from the delay between invention disclosure and obtaining an MA. However, the existence of SPCs within the European Economic Area (EEA) has invited a number of burning questions on their availability to second medical use patents and, followingly, the stances of national and supranational courts.

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