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  • Celltrion Eyelea expands U.S. patent
  • by | translator Kim, Jung-Ju | Feb 22, 2023 05:55am
Claims invalidation of US 10464992 1-18 related to the composition
 ¡ã Celltrion researcher is conducting formulation research.(Photo by Celltrion)
Celltrion is conducting an additional trial for invalidation of the U.S. patent for the eye disease treatment "Eylea." According to industries on the 17th, Celltrion recently filed an IPR (Inter Parts Review) with the U.S. Patent and Trademark Office, claiming that Eylea's composition patent developed by Regeneron is invalid.

Eylea is a biopharmaceutical for treating ophthalmic diseases that treat macular degeneration and diabetic macular edema. It is a blockbuster drug that recorded $9.4 billion (about 12 trillion won) in global sales in 2021. Celltrion is developing the Eylea biosimilar 'CT-P42'. In April last year, it completed the recruitment of global phase 3 clinical patients. A total of 13 countries, includi
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