The weekly litigation news digest is live. Subscribe now

IP Verse

Secondary Battery, Battery Module, And Device Using Battery As Power Source - EP3989352

The patent EP3989352 was granted to Contemporary Amperex Technology on Oct 16, 2024. The application was filed on Dec 24, 2020 under application number EP20913277A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3989352

CONTEMPORARY AMPEREX TECHNOLOGY
Application Number
EP20913277A
Filing Date
Dec 24, 2020
Status
Granted And Under Opposition
Jul 19, 2024
Publication Date
Oct 16, 2024
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
BECKERMay 21, 2025BECKER KURIG & PARTNER PATENTANWALTE MBBADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
EXAMINATIONUS2006073382
OPPOSITIONCN109698385
OPPOSITIONCN205248346U
OPPOSITIONCN208189697U
OPPOSITIONCN209561523U
OPPOSITIONCN209786120U
OPPOSITIONEP2858144
OPPOSITIONEP3331062
OPPOSITIONJPH04147517
OPPOSITIONKR101342696B
OPPOSITIONUS2006073382
OPPOSITIONUS2008289171
OPPOSITIONUS2012244421
OPPOSITIONUS2019221877
OPPOSITIONWO2018021698
SEARCHEP3511998
SEARCHUS2016099444
SEARCHUS2019221877

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