IP Verse

Ester Based Functional Fluid

Patent No. EP4386068 (titled "Ester Based Functional Fluid") was filed by Oleon on Dec 16, 2022. The application was issued on Feb 12, 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
SASOL CHEMIENov 11, 2025HOFFMANN EITLE
PONTI & PARTNERSJul 9, 2025-

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.

  • Date

    Description

EP4386068

OLEON
Application Number
EP22306924A
Filing Date
Dec 16, 2022
Status
Granted And Under Opposition
Jan 10, 2025
Publication Date
Feb 12, 2025
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