The EPO published international patent application EP4274639A1 for Medtrum Technologies Inc., covering a skin patch drug infusion device. The patent application designates 44 states including all EU member 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), with inventors including YANG, Cuijun.

Patent application publications do not create new regulatory obligations or compliance deadlines. Manufacturers developing similar drug infusion patch technology should review the claims upon grant to assess potential infringement risks. The patent designation covers medical device manufacturers producing continuous glucose monitoring or drug delivery patches in European markets.