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The patent EP2436794 was granted to Kabushiki Kaisha Kobe Seiko SHO on Apr 3, 2019. The application was filed on May 28, 2010 under application number EP10780303A. 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 |
|---|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Dec 11, 2019 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2004332099 |
| DESCRIPTION | JP2006207016 |
| DESCRIPTION | JP2006207017 |
| DESCRIPTION | JP2006207018 |
| DESCRIPTION | JP2007197819 |
| INTERNATIONAL-SEARCH-REPORT | JP2002097551 |
| INTERNATIONAL-SEARCH-REPORT | JP2006207018 |
| INTERNATIONAL-SEARCH-REPORT | JP2006283131 |
| INTERNATIONAL-SEARCH-REPORT | JP2008169475 |
| OPPOSITION | EP1808505 |
| OPPOSITION | EP2128295 |
| OPPOSITION | EP2202327 |
| OPPOSITION | EP2216422 |
| OPPOSITION | EP2267176 |
| OPPOSITION | WO2008123267 |
| OPPOSITION | WO2009054539 |
| OPPOSITION | WO2009066734 |
| OPPOSITION | WO2009099079 |
| SEARCH | EP1676932 |
| SEARCH | EP1676933 |
| SEARCH | EP1865085 |
| SEARCH | JPH01272720 |
| SEARCH | US2008251161 |
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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Jun 21, 2023
May 24, 2023
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Feb 28, 2023
Advice of delivery
Appeal
Feb 28, 2023
Feb 28, 2023
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Feb 3, 2023
(Electronic) Receipt
Appeal
Feb 3, 2023
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(Electronic) Receipt
Appeal
Feb 2, 2023
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(Electronic) Receipt
Appeal
Jul 11, 2022
Jul 11, 2022
Reply to appeal
Appeal
Apr 25, 2022
Mar 3, 2022
Mar 3, 2022
Mar 2, 2022
Feb 24, 2022
(Electronic) Receipt
Appeal
Feb 24, 2022
(Electronic) Receipt
Appeal
Feb 24, 2022
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Dec 16, 2021
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(Electronic) Receipt
Appeal
Dec 13, 2021
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Notice of appeal
Appeal
Oct 18, 2021
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Means of redress
OPPO
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Description
OPPO
Sep 10, 2021
Description
OPPO
Sep 10, 2021
Description
OPPO
Sep 10, 2021
Description
OPPO
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Mar 7, 2019
Decision to grant a European patent
Search/Exam
Feb 26, 2019
Feb 13, 2019
Jan 23, 2019
Jan 11, 2019
(Electronic) Receipt
Search/Exam
Jan 11, 2019
Filing of the translations of the claims
Search/Exam
Jan 11, 2019
French translation of claims
Search/Exam
Jan 11, 2019
German translation of the claims
Search/Exam
Jan 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2018
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Intention to grant (signatures)
Search/Exam
Sep 13, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2018
Mar 8, 2017
Nov 9, 2016
Annex to the communication
Search/Exam
Nov 9, 2016
Communication from the Examining Division
Search/Exam
Oct 28, 2016
Examination started
Search/Exam
Aug 1, 2016
Apr 2, 2014
Submission concerning representation
Search/Exam
Feb 5, 2014
Feb 5, 2014
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Amendments received before examination
Search/Exam
Feb 3, 2014
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Feb 3, 2014
Amendments received before examination
Search/Exam
Aug 6, 2013
Jul 19, 2013
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European search opinion
Search/Exam
Jul 19, 2013
Supplementary European search report
Search/Exam
Jul 10, 2013
Search started
Search/Exam
Jan 31, 2013
Jan 18, 2013
Dec 14, 2012
Mar 16, 2012
Designation of inventor
Search/Exam
Mar 16, 2012
Letter concerning the inventor
Search/Exam
Mar 7, 2012
Notification of forthcoming publication
Search/Exam
Feb 8, 2012
Refund of fees
Search/Exam
Jan 31, 2012
Jan 31, 2012
Deficiencies in designation of inventor
Search/Exam
Dec 28, 2011
Dec 13, 2011
(Electronic) Receipt
Search/Exam
Dec 13, 2011
Abstract
Search/Exam
Dec 13, 2011
Annex
Search/Exam
Dec 13, 2011
Claims
Search/Exam
Dec 13, 2011
Description
Search/Exam
Dec 13, 2011
Drawings
Search/Exam
Dec 13, 2011
Request for entry into the European phase
Search/Exam
Dec 12, 2011
Oct 7, 2011
Information on entry into European phase
Search/Exam
Dec 23, 2010
Dec 2, 2010
Copy of the international search report
Search/Exam
Dec 2, 2010
Dec 2, 2010
International publication pamphlet
Search/Exam