IP Verse

Fluid Filter With Secondary Filter Element Of Lightweight Construction

Patent No. EP3572138 (titled "Fluid Filter With Secondary Filter Element Of Lightweight Construction") was filed by Mannhummel on May 22, 2018. The application was issued on Dec 22, 2021.

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
DONALDSONSep 22, 2022IPLODGE

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

  • Get instant alerts for new documents

EP3572138

MANNHUMMEL
Application Number
EP18173518A
Filing Date
May 22, 2018
Status
Opposition Rejected
May 24, 2024
Publication Date
Dec 22, 2021
External Links
Slate, EP3572138B1, Google Patents