IP Verse

Lubricant Compositions For Direct Injection Engines

Patent No. EP3878933 (titled "Lubricant Compositions For Direct Injection Engines") was filed by The Lubrizol on Sep 19, 2014. The application was issued on Nov 5, 2025.

Patent Summary

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Patent Oppositions (2)

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
AFTON CHEMICALAug 5, 2026J A KEMP
INFINEUMAug 5, 2026EISENFUHR SPEISER

Dossier Documents

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EP3878933

THE LUBRIZOL
Application Number
EP21155770A
Filing Date
Sep 19, 2014
Status
Granted And Under Opposition
Oct 3, 2025
Publication Date
Nov 5, 2025
External Links
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