IP Verse

Drug Delivery Device With Gear Module And Related Method Of Assembly

Patent No. EP3658203 (titled "Drug Delivery Device With Gear Module And Related Method Of Assembly") was filed by Amgen on Jul 11, 2018. The application was issued on Oct 1, 2025.

Patent Summary

A drug delivery device comprises a main housing with an interior enclosed space and an exterior surface for patient attachment. The enclosed space contains a container featuring a drug-filled reservoir and a stopper, and a drive assembly configured to move the stopper to expel the drug. The drive assembly includes a rotational power source and a gear module. The gear module consists of a mounting plate, a cover member, and a plurality of gears rotatably connected to the mounting plate and enclosed by the cover member; both the mounting plate and cover member are separate from the main housing. A worm gear on the rotational power source's output shaft meshingly engages at least one gear of the plurality during operation.

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Patent Family

Patent Oppositions (3)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
HOFFMANN EITLEMay 31, 2023VAN BOUWELEN
YPSOMEDMay 30, 2023DIRIX
YPSOMEDMay 30, 2023MEIER OBERTUFER

Dossier Documents

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EP3658203

AMGEN
Application Number
EP18746515A
Filing Date
Jul 11, 2018
Status
Patent Maintained As Amended
Aug 29, 2025
Publication Date
Oct 1, 2025
External Links
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