EP2194541

KABUSHIKI KAISHA TOSHIBA
Application Number
EP09177853A
Filing Date
Dec 3, 2009
Status
Revoked
Nov 8, 2024
Grant Date
Jul 19, 2017
External Links
Slate, Register, Google Patents
Similar Patents facing opposition

Biblio Summary

The patent EP2194541B1 was granted on Jul 19, 2017 by Kabushiki Kaisha Toshiba The patent is currently Revoked.

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 DateOpposition Status

Get instant alerts for new oppositions and patent status changes

HITACHI ENERGYApr 19, 2018ADMISSIBLE

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionUS4681717
N/A
OppositionUS5039452
N/A
OppositionEP0497566
N/A
OppositionEP0961300
N/A
OppositionJP2001233668
N/A
OppositionEP0316015
N/A
OppositionUS5107242
N/A
OppositionUS5248452
N/A
OppositionJPH05258914
N/A
OppositionEP1150306
N/A
OppositionUS6620346
N/A

Access Full Citation Information

Get a free, in-depth citation report including examiner, opposition, and international search citations.

Get Free Citation Report

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.