F. Hoffmann-La Roche AG - Plunger and Method of Manufacturing a Plunger
Summary
The European Patent Office published Patent EP3820551A1 granting F. Hoffmann-La Roche AG rights to a plunger device and its method of manufacture. The patent covers IPC classification A61M 5/315 and is valid in all designated Contracting States. No regulatory compliance actions or deadlines are associated with this patent grant.
What changed
EPO granted Patent EP3820551A1 to F. Hoffmann-La Roche AG for an invention titled 'Plunger and Method of Manufacturing a Plunger.' The patent covers technology classified under A61M 5/315 and designates all member states including 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, and TR.
Patent grants do not create compliance obligations for third parties. Organizations in the medical device sector should be aware of this intellectual property when developing similar plunger technologies to avoid potential infringement issues. No action is required unless the organization operates in the pharmaceutical injection device space and may be developing competing products.
Source document (simplified)
PLUNGER AND METHOD OF MANUFACTURING A PLUNGER
Publication EP3820551A1 Kind: A1 Mar 25, 2026
Applicants
F. Hoffmann-La Roche AG
Inventors
GAILLOT, Maxime, DWYER, Alan, LAUNOIS, Pascal, MCDONNELL, Julian, CONNAUGHTON, Eoin, TEUCHER, Mark, Digby, RIDLEY, Jonathan, Paul
IPC Classifications
A61M 5/315 20060101AFI20200117BHEP
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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