Drug Administration System

ChangeBridge: EPO Bulletin - Medical Devices (A61M)

Published March 25th, 2026

Detected April 1st, 2026

Summary

The European Patent Office has published patent application EP3733243A1 for Takeda Pharmaceutical Company Limited's drug administration system, with publication date March 25, 2026. The patent is classified under IPC codes A61N 7/00, A61B 17/00, A61M 37/00, and A61K 41/00. Inventors are MURATA, Naoyuki and YANAI, Shigeo. The patent designates 33 European states including Germany, France, UK, Italy, Spain, and others.

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What changed

The EPO has published patent application EP3733243A1 for Takeda Pharmaceutical Company Limited's drug administration system, classified under IPC codes A61N 7/00, A61B 17/00, A61M 37/00, and A61K 41/00. The patent application names inventors MURATA, Naoyuki and YANAI, Shigeo, with publication date March 25, 2026. Designated states include 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.

Patent applicants and pharmaceutical companies should review whether this drug administration system patent overlaps with their own products or R&D activities. Companies developing similar drug delivery technologies may need to consider potential licensing implications or design-around strategies.

Source document (simplified)

← EPO Patent Bulletin

DRUG ADMINISTRATION SYSTEM

Publication EP3733243A1 Kind: A1 Mar 25, 2026

Applicants

Takeda Pharmaceutical Company Limited

Inventors

MURATA, Naoyuki, YANAI, Shigeo

IPC Classifications

A61N 7/00 20060101AFI20250910BHEP A61B 17/00 20060101ALI20250910BHEP A61M 37/00 20060101ALI20250910BHEP A61K 41/00 20200101ALI20250910BHEP

Designated States

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

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