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The patent EP2281962 was granted to Knauf Insulation on Apr 5, 2017. The application was filed on Jun 23, 2010 under application number EP10167083A. 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 |
|---|---|---|---|
| BASF | Jan 5, 2018 | BASF ASSOCIATION | ADMISSIBLE |
| ROCKWOOL | Jan 5, 2018 | GILL JENNINGS & EVERY | ADMISSIBLE |
| CABOT | Dec 27, 2017 | GRUNECKER PATENT | ADMISSIBLE |
| JOHNS MANVILLE | Dec 20, 2017 | MAI BESIER | ADMISSIBLE |
| SAINT GOBAIN | Dec 13, 2017 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE19533564 |
| OPPOSITION | DE19533564 |
| OPPOSITION | DE19606114 |
| OPPOSITION | DE3346180 |
| OPPOSITION | EP0841308 |
| OPPOSITION | EP1111113 |
| OPPOSITION | GB1205572 |
| OPPOSITION | US2002025427 |
| OPPOSITION | US2002094426 |
| OPPOSITION | US2003077438 |
| OPPOSITION | US2003215640 |
| OPPOSITION | US2004077738 |
| OPPOSITION | US2006125158 |
| OPPOSITION | US2789075 |
| OPPOSITION | US2808338 |
| OPPOSITION | US5306555 |
| OPPOSITION | US5789075 |
| OPPOSITION | US5948314 |
| OPPOSITION | US6103036 |
| OPPOSITION | US6723378 |
| OPPOSITION | US7635411 |
| OPPOSITION | WO2006065904 |
| OPPOSITION | WO2006074449 |
| OPPOSITION | WO2007011750 |
| OPPOSITION | WO2010046074 |
| OPPOSITION | WO2010129200 |
| OPPOSITION | WO9710187 |
| OPPOSITION | WO9710188 |
| SEARCH | DE19606114 |
| SEARCH | US2002025427 |
| SEARCH | US2002094426 |
| SEARCH | US5306555 |
| SEARCH | US5789075 |
| SEARCH | US6103036 |
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
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Apr 5, 2017
Mar 9, 2017
Decision to grant a European patent
Search/Exam
Feb 27, 2017
(Electronic) Receipt
Search/Exam
Feb 27, 2017
Filing of the translations of the claims
Search/Exam
Feb 27, 2017
French translation of claims
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Feb 27, 2017
German translation of the claims
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Feb 27, 2017
Letter accompanying subsequently filed items
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Dec 23, 2016
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Intention to grant (signatures)
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Dec 23, 2016
Text intended for grant (clean copy)
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Dec 23, 2016
Aug 18, 2016
(Electronic) Receipt
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Aug 18, 2016
Amended description with annotations
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Aug 18, 2016
Description
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Aug 18, 2016
Letter accompanying subsequently filed items
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Aug 18, 2016
May 20, 2016
Annex to the communication
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May 20, 2016
Communication from the Examining Division
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Apr 13, 2016
(Electronic) Receipt
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Apr 13, 2016
Amended claims with annotations
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Apr 13, 2016
Amended description with annotations
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Apr 13, 2016
Claims
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Apr 13, 2016
Description
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Apr 13, 2016
Letter accompanying subsequently filed items
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Apr 13, 2016
Jan 28, 2016
Jan 25, 2016
(Electronic) Receipt
Search/Exam
Jan 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2016
Oct 8, 2015
Annex to the communication
Search/Exam
Oct 8, 2015
Communication from the Examining Division
Search/Exam
Jun 13, 2015
(Electronic) Receipt
Search/Exam
Jun 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2015
Feb 12, 2015
Annex to the communication
Search/Exam
Feb 12, 2015
Communication from the Examining Division
Search/Exam
Oct 21, 2014
(Electronic) Receipt
Search/Exam
Oct 21, 2014
Amended claims with annotations
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Oct 21, 2014
Claims
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Oct 21, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2014
Aug 1, 2014
Jul 29, 2014
(Electronic) Receipt
Search/Exam
Jul 29, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2014
Apr 14, 2014
Annex to the communication
Search/Exam
Apr 14, 2014
Communication from the Examining Division
Search/Exam
Apr 7, 2014
Examination started
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Mar 28, 2014
Decision to allow further processing
Search/Exam
Mar 11, 2014
(Electronic) Receipt
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Mar 11, 2014
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Amended claims with annotations
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Mar 11, 2014
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Amended description with annotations
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Mar 11, 2014
Amendments received before examination
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Mar 11, 2014
Letter accompanying subsequently filed items
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Mar 11, 2014
Request for further processing
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Jan 10, 2014
Jun 10, 2013
May 27, 2013
Refund of fees
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May 6, 2013
May 6, 2013
European search opinion
Search/Exam
May 6, 2013
European search report
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Jan 28, 2013
Jan 9, 2013
Annexes in respect of a client data request
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Jan 9, 2013
Jan 12, 2011
Notification of forthcoming publication
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Aug 24, 2010
Jun 23, 2010
Abstract
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Jun 23, 2010
Jun 23, 2010
Claims
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Jun 23, 2010
Description
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Jun 23, 2010
Designation of inventor
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Jun 23, 2010
Designation of inventor
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Jun 23, 2010
Drawings
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Jun 23, 2010
Request for grant of a European patent
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