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The patent EP2811042 was granted to Kabushiki Kaisha Kobe Seiko SHO on Jun 21, 2017. The application was filed on Jan 10, 2013 under application number EP13744215A. The patent is currently recorded with a legal status of "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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BHARAT FORGE ALUMINIUMTECHNIK | Mar 21, 2018 | HOFFMANN EITLE | ADMISSIBLE |
| OTTO FUCHS | Mar 21, 2018 | HAVERKAMP PATENTANWALTE PARTG MBB | ADMISSIBLE |
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM SINGEN | Mar 20, 2018 | CONSTELLIUM PROPRIETE INDUSTRIELLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002146447 |
| DESCRIPTION | JP3766357B |
| INTERNATIONAL-SEARCH-REPORT | JP2003277868 |
| INTERNATIONAL-SEARCH-REPORT | JP2004043907 |
| INTERNATIONAL-SEARCH-REPORT | JP2004084058 |
| INTERNATIONAL-SEARCH-REPORT | JP2004292937 |
| INTERNATIONAL-SEARCH-REPORT | JP2004315938 |
| INTERNATIONAL-SEARCH-REPORT | JP2006274415 |
| INTERNATIONAL-SEARCH-REPORT | JPH08232051 |
| INTERNATIONAL-SEARCH-REPORT | WO2007114078 |
| OPPOSITION | EP0987344 |
| OPPOSITION | EP2003219 |
| OPPOSITION | JP2000144296 |
| OPPOSITION | JP2002294383 |
| OPPOSITION | JP2003277868 |
| OPPOSITION | JP2004043907 |
| OPPOSITION | JP2004084058 |
| OPPOSITION | JP2004292937 |
| OPPOSITION | JP2004315938 |
| OPPOSITION | JP2006274415 |
| OPPOSITION | JP2007009273 |
| OPPOSITION | JP2011225988 |
| OPPOSITION | JP3766357B |
| OPPOSITION | JPH07145440 |
| OPPOSITION | JPH08232051 |
| OPPOSITION | JPH09249951 |
| OPPOSITION | US2009000705 |
| OPPOSITION | US2010089503 |
| OPPOSITION | US5240519 |
| SEARCH | EP0987344 |
| SEARCH | JP2000144296 |
| SEARCH | JP2011225988 |
| SEARCH | JPH07145440 |
| SEARCH | JPH09249951 |
| SEARCH | US5240519 |
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
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
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Notice of appeal
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(Electronic) Receipt
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Notice of appeal
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Claims
OPPO
May 14, 2019
Claims
OPPO
May 14, 2019
Claims
OPPO
May 14, 2019
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OPPO
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Claims
OPPO
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Jun 22, 2017
May 26, 2017
Decision to grant a European patent
Search/Exam
May 11, 2017
Payment of fees and costs
Search/Exam
May 8, 2017
Filing of the translations of the claims
Search/Exam
May 8, 2017
French translation of claims
Search/Exam
May 8, 2017
German translation of the claims
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Mar 15, 2017
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Intention to grant (signatures)
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Mar 15, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2017
Jan 25, 2017
Examination started
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Nov 7, 2016
Nov 7, 2016
Amended claims with annotations
Search/Exam
Nov 7, 2016
Amendments received before examination
Search/Exam
May 27, 2016
May 9, 2016
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European search opinion
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May 9, 2016
Information on Search Strategy
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May 9, 2016
Supplementary European search report
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May 2, 2016
General enquiry
Search/Exam
Apr 26, 2016
Search started
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Apr 29, 2015
Nov 13, 2014
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Notification of forthcoming publication
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Sep 9, 2014
Sep 5, 2014
Communication to designated inventor
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Sep 5, 2014
Communication to designated inventor
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Aug 20, 2014
Aug 20, 2014
Jun 26, 2014
Payment of fees and costs
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Jun 24, 2014
Abstract
Search/Exam
Jun 24, 2014
Claims
Search/Exam
Jun 24, 2014
Description
Search/Exam
Jun 24, 2014
Designation of inventor
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Jun 24, 2014
Drawings
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Jun 24, 2014
Matter concerning the application
Search/Exam
Jun 24, 2014
Request for entry into the European phase
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Jun 24, 2014
Request for grant of a European patent
Search/Exam
Jun 13, 2014
Information on entry into European phase
Search/Exam
Aug 27, 2013
Aug 27, 2013
Aug 8, 2013
Copy of the international search report
Search/Exam
Aug 8, 2013
Aug 8, 2013
International publication pamphlet
Search/Exam