Absorbent Article With Anti-Leakage Transversal Barrier

Patent No. EP4458337 (titled "Absorbent Article With Anti-Leakage Transversal Barrier") was filed by Ontex on Apr 26, 2024. The application was issued on Apr 9, 2025.

Patent Summary

Patent Family

Patent Family

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
MAIWALDJan 9, 2026MAIWALD
ESSITY HYGIENE AND HEALTH AKTIEBOLAGJan 8, 2026HOFFMANN EITLE

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

EP4458337

ONTEX
Application Number
EP24172809A
Filing Date
Apr 26, 2024
Status
Granted And Under Opposition
Mar 7, 2025
Publication Date
Apr 9, 2025