The weekly litigation news digest is live. Subscribe now

IP Verse

Power Supply Control Mechanism, Electronic Device Including The Same, Hearing Aid, And Power Supply Control Method - EP3112981

The patent EP3112981 was granted to Hitachi Maxell on Apr 1, 2020. The application was originally filed on Jun 28, 2016 under application number EP16176727A. The patent is currently recorded with a legal status of "Revoked".

EP3112981

HITACHI MAXELL
Application Number
EP16176727A
Filing Date
Jun 28, 2016
Status
Revoked
Aug 12, 2022
Publication Date
Apr 1, 2020
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

KS HIMPPDec 30, 2020ZECHADMISSIBLE

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJPH0213
DESCRIPTIONJPH0533659
OPPOSITIONEP2378794
OPPOSITIONEP2876777
OPPOSITIONGB2306237
OPPOSITIONJPH02106138
OPPOSITIONJPS5535899U
OPPOSITIONJPS614417
OPPOSITIONUS2014321682
OPPOSITIONUS5590343
OPPOSITIONUS7221769
OPPOSITIONUS8284970
OPPOSITIONUS8515110
OPPOSITIONUS9020170
OPPOSITIONUS9148737
SEARCHEP2876777
SEARCHGB2306237
SEARCHUS5590343

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