Sanofi-Aventis resettable medication delivery drive mechanism patent
ChangeBridge: EPO Bulletin - Medical Devices (A61M)
Summary
The European Patent Office published patent EP3536364A1 for Sanofi-Aventis Deutschland GmbH covering a resettable drive mechanism for medication delivery devices. The patent, filed by inventors NZIKE, RAAB, BRÜGGEMANN, DASBACH, and BOESER, provides IP protection across 24 designated EU member states.
What changed
Sanofi-Aventis Deutschland GmbH was granted European Patent EP3536364A1 for a resettable drive mechanism for medication delivery devices. The invention falls under IPC classifications A61M 5/315 and A61M 5/24, covering injection and infusion device technologies. The patent is designated for protection across 24 EU states including Germany, France, United Kingdom, Italy, and Spain.
Pharmaceutical and medical device companies developing drug delivery systems should review this patent to ensure their products do not infringe on the protected resettable drive mechanism technology. R&D teams should conduct freedom-to-operate analyses for any injection or infusion devices under development. Legal departments should update IP monitoring protocols to track potential licensing opportunities or design-around requirements.
What to do next
- Review patent EP3536364A1 claims to assess potential infringement on resettable medication delivery mechanisms
- Conduct freedom-to-operate analysis for drug delivery devices in development
- Update IP monitoring protocols to track related patent applications in the A61M classification
Source document (simplified)
RESETTABLE DRIVE MECHANISM FOR A MEDICATION DELIVERY DEVICE AND MEDICATION DELIVERY DEVICE
Publication EP3536364A1 Kind: A1 Mar 25, 2026
Applicants
Sanofi-Aventis Deutschland GmbH
Inventors
NZIKE, Philippe, RAAB, Steffen, BRÜGGEMANN, Ulrich, DASBACH, Uwe, BOESER, Uwe
IPC Classifications
A61M 5/315 20060101AFI20260219BHEP A61M 5/24 20060101ALN20260219BHEP
Designated States
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, SE, SI, SK, SM, TR
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