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The patent EP2031386 was granted to Hashimoto on Sep 21, 2022. The application was filed on May 24, 2007 under application number EP07744041A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SIEMENS ENERGY | Apr 21, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH07318457 |
| INTERNATIONAL-SEARCH-REPORT | JP2001324417 |
| INTERNATIONAL-SEARCH-REPORT | JP2003098162 |
| INTERNATIONAL-SEARCH-REPORT | JP2004061202 |
| INTERNATIONAL-SEARCH-REPORT | JP2004301017 |
| INTERNATIONAL-SEARCH-REPORT | JPH04268450 |
| INTERNATIONAL-SEARCH-REPORT | JPH07168619 |
| INTERNATIONAL-SEARCH-REPORT | JPH0743352 |
| OPPOSITION | JP2004301017 |
| OPPOSITION | JPH07168619 |
| OPPOSITION | US2001047691 |
| SEARCH | JPH07168619 |
| SEARCH | US4493042 |
| SEARCH | WO2006025404 |
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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Aug 25, 2022
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Means of redress
OPPO
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Authorisation
OPPO
May 7, 2020
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Sep 30, 2019
Aug 22, 2019
Decision to grant a European patent
Search/Exam
Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Filing of the translations of the claims
Search/Exam
Aug 8, 2019
French translation of claims
Search/Exam
Aug 8, 2019
German translation of the claims
Search/Exam
Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 22, 2019
May 22, 2019
May 22, 2019
Intention to grant (signatures)
Search/Exam
May 22, 2019
Text intended for grant (clean copy)
Search/Exam
May 22, 2019
Feb 21, 2019
(Electronic) Receipt
Search/Exam
Feb 21, 2019
Amended claims with annotations
Search/Exam
Feb 21, 2019
Amended description with annotations
Search/Exam
Feb 21, 2019
Claims
Search/Exam
Feb 21, 2019
Description
Search/Exam
Feb 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2019
Oct 30, 2018
Annex to the communication
Search/Exam
Oct 30, 2018
Communication from the Examining Division
Search/Exam
Oct 22, 2018
Examination started
Search/Exam
Jul 26, 2016
(Electronic) Receipt
Search/Exam
Jul 26, 2016
Jul 26, 2016
Amended claims with annotations
Search/Exam
Jul 26, 2016
Jul 26, 2016
Amended description with annotations
Search/Exam
Jul 26, 2016
Amendments received before examination
Search/Exam
Jul 26, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2016
Jan 7, 2016
Jan 7, 2016
European search opinion
Search/Exam
Jan 7, 2016
Information on Search Strategy
Search/Exam
Jan 7, 2016
Supplementary European search report
Search/Exam
Dec 18, 2015
Search started
Search/Exam
Sep 26, 2014
Submission concerning representation
Search/Exam
May 11, 2009
Final instructions (loss of partial rights)
Search/Exam
Feb 4, 2009
Notification of forthcoming publication
Search/Exam
Jan 30, 2009
Jan 19, 2009
Jan 6, 2009
Dec 18, 2008
Dec 2, 2008
Abstract
Search/Exam
Dec 2, 2008
Dec 2, 2008
Annex
Search/Exam
Dec 2, 2008
Annex
Search/Exam
Dec 2, 2008
Claims
Search/Exam
Dec 2, 2008
Description
Search/Exam
Dec 2, 2008
Drawings
Search/Exam
Dec 2, 2008
Request for entry into the European phase
Search/Exam
Oct 6, 2008
Information on entry into European phase
Search/Exam
Dec 19, 2007
Nov 29, 2007
Copy of the international search report
Search/Exam
Nov 29, 2007
Nov 29, 2007
International publication pamphlet
Search/Exam