Drug Delivery System Using Solution - Kyoto University, Takeda

EPO published patent application EP3888693A1 titled 'Drug Delivery System Using Solution' on March 25, 2026. The applicants are Kyoto University and Takeda Pharmaceutical Company Limited, with inventors including Hotta, Akitsu, Ishihara, Naoko, Nishigaki, Ryuichi, and Seto, Masaki. The patent covers pharmaceutical compositions and genetic sequence delivery technologies under IPC classifications A61K 48/00, C12N 5/10, and C12N 15/09. The designated states include all EU member states plus other European countries (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR).

This publication is a standard EPO patent bulletin entry announcing the availability of the application for public inspection. Competitors in the pharmaceutical drug delivery space should review the claims to assess potential freedom-to-operate implications. The patent grants Takeda and Kyoto University exclusive rights to the solution-based delivery technology in European markets if the application proceeds to grant. No immediate compliance actions are required by regulated entities.