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IP Verse

A Crankcase Ventilation System

Patent No. EP4430283 (titled "A Crankcase Ventilation System") was filed by Grimaldi on Feb 16, 2023. The application was issued on Mar 26, 2025.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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
MANN HUMMELJan 2, 2026HKW
MERCEDES BENZ GROUPJan 2, 2026HOFSTETTER
DAIMLER TRUCKDec 18, 2025RIEGE
ALFDEXDec 17, 2025GRUNECKER PATENT

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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EP4430283

GRIMALDI
Application Number
EP23706306A
Filing Date
Feb 16, 2023
Status
Granted And Under Opposition
Feb 21, 2025
Publication Date
Mar 26, 2025
External Links
Slate, EP4430283B1, Google Patents