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The patent EP2799757 was granted to Kabushiki Kaisha Kobe Seiko SHO on May 17, 2017. The application was filed on Dec 5, 2012 under application number EP12859994A. 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 |
|---|---|---|---|
| LAIR LIQUIDE | Feb 12, 2018 | DE CUENCA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2010520977 |
| DESCRIPTION | JP2010534308 |
| INTERNATIONAL-SEARCH-REPORT | JP2010534308 |
| INTERNATIONAL-SEARCH-REPORT | JP2011099468 |
| INTERNATIONAL-SEARCH-REPORT | JPH08100888 |
| INTERNATIONAL-SEARCH-REPORT | JPH08109999 |
| INTERNATIONAL-SEARCH-REPORT | WO03060374 |
| OPPOSITION | EP2093475 |
| OPPOSITION | JP3571382B |
| OPPOSITION | JPH08109999 |
| OPPOSITION | US2002014277 |
| OPPOSITION | US2005115630 |
| OPPOSITION | US5673735 |
| OPPOSITION | US6792981 |
| OPPOSITION | WO2009013415 |
| SEARCH | JP2006105307 |
| SEARCH | JPH08100888 |
| SEARCH | US2004182470 |
| SEARCH | WO2011092560 |
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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May 18, 2017
Apr 21, 2017
Decision to grant a European patent
Search/Exam
Apr 6, 2017
(Electronic) Receipt
Search/Exam
Apr 6, 2017
French translation of claims
Search/Exam
Apr 6, 2017
German translation of the claims
Search/Exam
Apr 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2016
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Dec 7, 2016
Intention to grant (signatures)
Search/Exam
Dec 7, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 7, 2016
Oct 31, 2016
Examination started
Search/Exam
Nov 30, 2015
(Electronic) Receipt
Search/Exam
Nov 30, 2015
Nov 30, 2015
Amended claims with annotations
Search/Exam
Nov 30, 2015
Nov 30, 2015
Amended description with annotations
Search/Exam
Nov 30, 2015
Amendments received before examination
Search/Exam
Nov 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2015
Oct 27, 2015
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European search opinion
Search/Exam
Oct 27, 2015
Supplementary European search report
Search/Exam
Oct 14, 2015
Search started
Search/Exam
Oct 8, 2014
Notification of forthcoming publication
Search/Exam
Jul 29, 2014
Jul 25, 2014
Communication to designated inventor
Search/Exam
Jul 25, 2014
Communication to designated inventor
Search/Exam
Jul 7, 2014
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Jun 2, 2014
(Electronic) Receipt
Search/Exam
Jun 2, 2014
Abstract
Search/Exam
Jun 2, 2014
Claims
Search/Exam
Jun 2, 2014
Description
Search/Exam
Jun 2, 2014
Drawings
Search/Exam
Jun 2, 2014
Request for entry into the European phase
Search/Exam
May 6, 2014
Information on entry into European phase
Search/Exam
Jul 17, 2013
Jun 27, 2013
Copy of the international search report
Search/Exam
Jun 27, 2013
Jun 27, 2013
International publication pamphlet
Search/Exam