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Novel Interleukin-2 Variants and Bifunctional Fusion Molecules - Cugene Inc.

The European Patent Office published application EP3983001A2 for Cugene Inc. covering novel interleukin-2 variants and bifunctional fusion molecules, with inventors LI, Yue-Sheng, RUI, Lingyun, and XU, Jing. The application, published April 15, 2026, classifies under A61K 38/20 (cytokine preparations), G01N 33/53 and G01N 33/567 (immunoassay and binding assays), C07H 21/04 and C12P 21/04 (nucleic acid/protein compositions), and C07K 14/55 (interleukin proteins). The EPO designated 31 states including all EU member patent jurisdictions under the European Patent Convention.