Medical Liquid Detection Sheet

ChangeBridge: EPO Bulletin - Medical Devices (A61M)

Published March 25th, 2026

Detected April 2nd, 2026

Summary

The European Patent Office published patent EP4461325A1 for Nipro Corporation's medical liquid detection sheet technology. The patent application was published March 25, 2026, with inventors YAMABE Kohei and MATSUBAYASHI Satsuki. The patent is designated for all European Patent Convention member states including DE, FR, GB, IT, NL, and 25 other countries.

View original document View source feed page

What changed

The EPO published EP4461325A1, a patent application for a medical liquid detection sheet filed by Nipro Corporation. The invention relates to liquid detection technology in medical applications, classified under A61M 1/36, A61B 5/02, and A61F 13/42. The patent grants Nipro exclusive rights to the claimed medical device technology across 35 designated European states including Germany, France, Great Britain, Italy, Netherlands, and other EPC contracting states.

This patent publication does not create compliance obligations for other entities. Competitors developing similar liquid detection technology for medical applications should review the patent claims to assess potential infringement risks. Legal counsel should be consulted regarding freedom-to-operate analysis before commercializing overlapping products in designated territories.

Source document (simplified)

← EPO Patent Bulletin

MEDICAL LIQUID DETECTION SHEET

Publication EP4461325A1 Kind: A1 Mar 25, 2026

Applicants

Nipro Corporation

Inventors

YAMABE, Kohei, MATSUBAYASHI, Satsuki

IPC Classifications

A61M 1/36 20060101AFI20260217BHEP A61B 5/02 20060101ALI20260217BHEP A61F 13/42 20060101ALI20260217BHEP A61F 13/00 20240101ALI20260217BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

View original document →