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The patent EP2518277 was granted to Mitsubishi Heavy Industries on Oct 10, 2018. The application was filed on Nov 18, 2010 under application number EP10839108A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Jul 2, 2019 | PATERIS PATENTANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2001200707 |
| INTERNATIONAL-SEARCH-REPORT | JP2008088525 |
| INTERNATIONAL-SEARCH-REPORT | JPH11141302 |
| INTERNATIONAL-SEARCH-REPORT | JPH11229818 |
| INTERNATIONAL-SEARCH-REPORT | JPS5958101 |
| OPPOSITION | EP1577494 |
| OPPOSITION | EP1624155 |
| OPPOSITION | EP2025866 |
| SEARCH | DE102009053447 |
| SEARCH | EP1154123 |
| SEARCH | EP2067933 |
| SEARCH | JPS5958101 |
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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Authorisation
OPPO
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Claims
OPPO
Nov 22, 2019
Claims
OPPO
Nov 22, 2019
Claims
OPPO
Nov 22, 2019
Claims
OPPO
Nov 22, 2019
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Oct 22, 2018
Sep 13, 2018
Decision to grant a European patent
Search/Exam
Sep 3, 2018
(Electronic) Receipt
Search/Exam
Sep 3, 2018
French translation of claims
Search/Exam
Sep 3, 2018
German translation of the claims
Search/Exam
Sep 3, 2018
Letter accompanying subsequently filed items
Search/Exam
May 11, 2018
May 11, 2018
May 11, 2018
Intention to grant (signatures)
Search/Exam
May 11, 2018
Text intended for grant (clean copy)
Search/Exam
May 11, 2018
Apr 6, 2018
Examination started
Search/Exam
Sep 27, 2017
(Electronic) Receipt
Search/Exam
Sep 27, 2017
Sep 27, 2017
Amended claims with annotations
Search/Exam
Sep 27, 2017
Sep 27, 2017
Amended description with annotations
Search/Exam
Sep 27, 2017
Amendments received before examination
Search/Exam
Sep 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2017
Mar 17, 2017
Mar 17, 2017
European search opinion
Search/Exam
Mar 17, 2017
Information on Search Strategy
Search/Exam
Mar 17, 2017
Supplementary European search report
Search/Exam
Mar 8, 2017
Search started
Search/Exam
Jun 3, 2015
Annexes in respect of a client data request
Search/Exam
Mar 18, 2015
(Electronic) Receipt
Search/Exam
Mar 18, 2015
Mar 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2015
Annexes in respect of a client data request
Search/Exam
Feb 4, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2015
Oct 4, 2012
Notification of forthcoming publication
Search/Exam
Jul 31, 2012
Jul 25, 2012
Jul 10, 2012
Jan 16, 2012
Information regarding early processing
Search/Exam
Dec 21, 2011
(Electronic) Receipt
Search/Exam
Dec 21, 2011
Abstract
Search/Exam
Dec 21, 2011
Dec 21, 2011
Amended claims with annotations
Search/Exam
Dec 21, 2011
Claims
Search/Exam
Dec 21, 2011
Description
Search/Exam
Dec 21, 2011
Drawings
Search/Exam
Dec 21, 2011
Request for entry into the European phase
Search/Exam
Jul 21, 2011
Jun 30, 2011
Copy of the international search report
Search/Exam
Jun 30, 2011
Jun 30, 2011
International publication pamphlet
Search/Exam