Patent EP4306150A1 Published - Sanofi Stopper Device
Summary
The European Patent Office published EP4306150A1 on April 15, 2026, granting Sanofi a patent for a stopper device (IPC classification A61M 5/315). The patent names Bernd Kuehn as the sole inventor and designates 41 contracting states across Europe including DE, FR, GB, IT, ES, NL, and others. This is a routine IP grant event with no compliance obligations imposed on third parties.
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GovPing monitors EPO Patent Bulletin - Medical Devices (A61M) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 66 changes logged to date.
What changed
The European Patent Office published European Patent EP4306150A1 for Sanofi, covering a stopper device classified under A61M 5/315. The patent names Bernd Kuehn as the sole inventor. The EPO designated 41 contracting states covering the major European markets.
Affected parties in the pharmaceutical and medical device sectors should note that this patent grants Sanofi exclusive rights to the disclosed stopper device technology in the designated EPC contracting states. Parties developing similar stopper devices for medical applications should conduct freedom-to-operate analyses to assess potential infringement risks.
Archived snapshot
Apr 25, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
STOPPER
Publication EP4306150A1 Kind: A1 Apr 15, 2026
Applicants
SANOFI
Inventors
KUEHN, Bernd
IPC Classifications
A61M 5/315 20060101AFI20231110BHEP
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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