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The patent EP2723546 was granted to Kingspan IRL on Aug 22, 2018. The application was filed on Jun 27, 2012 under application number EP12733805A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| POREXTHERM DAMMSTOFFE | May 9, 2019 | VKK PATENTANWALTE PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2005023731 |
| EXAMINATION | US5090981 |
| INTERNATIONAL-SEARCH-REPORT | DE10339679 |
| INTERNATIONAL-SEARCH-REPORT | EP1674227 |
| INTERNATIONAL-SEARCH-REPORT | GB1397683 |
| INTERNATIONAL-SEARCH-REPORT | US2006105661 |
| INTERNATIONAL-SEARCH-REPORT | US2009151847 |
| INTERNATIONAL-SEARCH-REPORT | US4992227 |
| INTERNATIONAL-SEARCH-REPORT | WO03072331 |
| INTERNATIONAL-SEARCH-REPORT | WO2011077188 |
| INTERNATIONAL-SEARCH-REPORT | WO9006841 |
| OPPOSITION | DE10058566 |
| OPPOSITION | DE202007013074U |
| OPPOSITION | EP2723546 |
| OPPOSITION | GB1397683 |
| OPPOSITION | US5090981 |
| OPPOSITION | WO03072331 |
| OPPOSITION | WO2005028195 |
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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Sep 3, 2018
Jul 26, 2018
Decision to grant a European patent
Search/Exam
Jul 17, 2018
Jul 11, 2018
(Electronic) Receipt
Search/Exam
Jul 11, 2018
Filing of the translations of the claims
Search/Exam
Jul 11, 2018
French translation of claims
Search/Exam
Jul 11, 2018
German translation of the claims
Search/Exam
Jul 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2018
Mar 7, 2018
Mar 7, 2018
Intention to grant (signatures)
Search/Exam
Mar 7, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 7, 2018
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
Amended claims with annotations
Search/Exam
Dec 1, 2017
Claims
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2017
Aug 1, 2017
Annex to the communication
Search/Exam
Aug 1, 2017
Communication from the Examining Division
Search/Exam
Jun 23, 2017
(Electronic) Receipt
Search/Exam
Jun 23, 2017
Amended claims with annotations
Search/Exam
Jun 23, 2017
Amended description with annotations
Search/Exam
Jun 23, 2017
Claims
Search/Exam
Jun 23, 2017
Description
Search/Exam
Jun 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2017
Mar 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2017
Letter concerning fees and payments
Search/Exam
Mar 6, 2017
Payment of fees and costs
Search/Exam
Mar 6, 2017
Payment of fees and costs
Search/Exam
Feb 27, 2017
Annex to the communication
Search/Exam
Feb 27, 2017
Communication from the Examining Division
Search/Exam
Feb 17, 2017
Examination started
Search/Exam
Jun 23, 2016
Jun 17, 2016
Mar 31, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2016
Letter concerning fees and payments
Search/Exam
Mar 31, 2016
Payment of fees and costs
Search/Exam
Mar 31, 2016
Payment of fees and costs
Search/Exam
Nov 19, 2014
(Electronic) Receipt
Search/Exam
Nov 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2014
Oct 15, 2014
Aug 22, 2014
(Electronic) Receipt
Search/Exam
Aug 22, 2014
Aug 22, 2014
Amended claims with annotations
Search/Exam
Aug 22, 2014
Aug 22, 2014
Amended description with annotations
Search/Exam
Aug 22, 2014
Amendments received before examination
Search/Exam
Aug 22, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2014
Mar 12, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2014
Letter concerning fees and payments
Search/Exam
Mar 12, 2014
Payment of fees and costs
Search/Exam
Mar 12, 2014
Payment of fees and costs
Search/Exam
Feb 21, 2014
Jan 31, 2014
Communication to designated inventor
Search/Exam
Jan 31, 2014
Communication to designated inventor
Search/Exam
Jan 21, 2014
Jan 10, 2014
(Electronic) Receipt
Search/Exam
Jan 10, 2014
Matter concerning the application
Search/Exam
Jan 10, 2014
Request for entry into the European phase
Search/Exam
Nov 8, 2013
Information on entry into European phase
Search/Exam
Feb 13, 2013
Notification of the recording of a change
Search/Exam
Jan 22, 2013
Jan 3, 2013
Copy of the international search report
Search/Exam
Jan 3, 2013
Published international application - A1
Search/Exam
Sep 27, 2012
Sep 27, 2012
Sep 27, 2012
Jul 21, 2012
Jul 9, 2012
Abstract
PCTISA
Jul 9, 2012
Claims
PCTISA
Jul 9, 2012
Description
PCTISA
Jul 9, 2012
Drawings
PCTISA
Jul 9, 2012