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  • Daewoong & Boryung challenged the patent for Sprycel
  • by Kim, Jin-Gu | translator Choi HeeYoung | Jan 21, 2021 06:13am
Early release in 2024 is possible if successful
Filing an invalidation trial to use patent

Daewoong challenged the patent for BMS' chronic myelogenous leukemia treatment Sprycel (Dasatinib). As other domestic companies have failed to overcome the patents one after another, attention is focused on Daewoong's challenge.

According to the pharmaceutical industry on the 19th, Daewoong recently requested an invalidation trial against use patent of Sprycel. At the end of last year, Boryung filed an invalidation trial on the patent.

Sprycel is registered for product patent, crystalline patent, and use patent. Among them, the product patent expired in April of last year. Generics can release early if they overcome the use patent expiring in March 2024 and the crystalline patent expiring in February 2025.
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