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The patent EP3088453 was granted to Asahi Kasei Construction Materials on Feb 28, 2024. The application was filed on Dec 25, 2014 under application number EP14873157A. 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 |
|---|---|---|---|
| KINGSPAN IRL | Nov 30, 2018 | TOMKINS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2010522819 |
| DESCRIPTION | JP2013064139 |
| DESCRIPTION | JP3813062B |
| INTERNATIONAL-SEARCH-REPORT | EP2639260 |
| INTERNATIONAL-SEARCH-REPORT | US2010016457 |
| OPPOSITION | EP1095970 |
| OPPOSITION | EP2554379 |
| OPPOSITION | EP3098255 |
| OPPOSITION | EP3159375 |
| OPPOSITION | JP2014011409 |
| OPPOSITION | JP2014125643 |
| OPPOSITION | US4444912 |
| OPPOSITION | WO2007002703 |
| OPPOSITION | WO2007029221 |
| OPPOSITION | WO2008121783 |
| OPPOSITION | WO2010062572 |
| SEARCH | EP1095970 |
| SEARCH | JP3813062B |
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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Feb 1, 2024
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Oct 18, 2023
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Refund of fees
Appeal
Oct 13, 2023
Oct 13, 2023
Oct 10, 2023
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Oct 2, 2023
(Electronic) Receipt
Appeal
Oct 2, 2023
Oct 2, 2023
Withdrawal of an appeal
Appeal
Jul 26, 2023
Jul 25, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 14, 2022
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Notice of appeal
Appeal
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Means of redress
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Oct 15, 2018
Sep 6, 2018
Decision to grant a European patent
Search/Exam
Jul 19, 2018
(Electronic) Receipt
Search/Exam
Jul 19, 2018
Filing of the translations of the claims
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Jul 19, 2018
French translation of claims
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Jul 19, 2018
German translation of the claims
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Jul 19, 2018
Letter accompanying subsequently filed items
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Apr 11, 2018
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Intention to grant (signatures)
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Apr 11, 2018
Text intended for grant (clean copy)
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Apr 11, 2018
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(Electronic) Receipt
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Feb 2, 2018
Amended description with annotations
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Feb 2, 2018
Claims
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Feb 2, 2018
Description
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Feb 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2018
Nov 28, 2017
Annex to the communication
Search/Exam
Nov 28, 2017
Communication from the Examining Division
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Nov 2, 2017
(Electronic) Receipt
Search/Exam
Nov 2, 2017
Amended claims with annotations
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Nov 2, 2017
Claims
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Nov 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2017
Jun 29, 2017
Annex to the communication
Search/Exam
Jun 29, 2017
Communication from the Examining Division
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Apr 12, 2017
(Electronic) Receipt
Search/Exam
Apr 12, 2017
Amended claims with annotations
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Apr 12, 2017
Claims
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Apr 12, 2017
Letter accompanying subsequently filed items
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Apr 12, 2017
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Feb 24, 2017
(Electronic) Receipt
Search/Exam
Feb 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2017
Oct 26, 2016
Annex to the communication
Search/Exam
Oct 26, 2016
Communication from the Examining Division
Search/Exam
Oct 6, 2016
Notification of forthcoming publication
Search/Exam
Sep 15, 2016
Sep 15, 2016
Information on Search Strategy
Search/Exam
Sep 15, 2016
Supplementary European search report
Search/Exam
Sep 6, 2016
Search started
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Aug 3, 2016
Communication to designated inventor
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Aug 3, 2016
Communication to designated inventor
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Aug 3, 2016
Communication to designated inventor
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Aug 3, 2016
Communication to designated inventor
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Jul 12, 2016
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Jun 28, 2016
(Electronic) Receipt
Search/Exam
Jun 28, 2016
Abstract
Search/Exam
Jun 28, 2016
Claims
Search/Exam
Jun 28, 2016
Description
Search/Exam
Jun 28, 2016
Request for entry into the European phase
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May 9, 2016
Information on entry into European phase
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Jul 23, 2015
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Jul 2, 2015
Copy of the international search report
Search/Exam
Jul 2, 2015
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International publication pamphlet
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