Pleated Filtration Media Having Tapered Flutes

Patent No. EP2528675 (titled "Pleated Filtration Media Having Tapered Flutes") was filed by Donaldson on Jan 25, 2011. 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
MAHLEJan 15, 2019BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER

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

EP2528675

DONALDSON
Application Number
EP11703321A
Filing Date
Jan 25, 2011
Status
Patent Maintained As Amended
Nov 19, 2021
Publication Date
Dec 22, 2021