The weekly litigation news digest is live. Subscribe now

Hierarchical Control System For Hearing System

Patent No. EP4284023 (titled "Hierarchical Control System For Hearing System") was filed by Sonova on Apr 18, 2023. The application was issued on Mar 19, 2025.

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
WS AUDIOLOGYDec 16, 2025FDST PATENTANWALTE

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

EP4284023

SONOVA
Application Number
EP23168466A
Filing Date
Apr 18, 2023
Status
Granted And Under Opposition
Feb 14, 2025
Publication Date
Mar 19, 2025