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The patent EP2883848 was granted to Sekisui Chemical on May 23, 2018. The application was filed on Jul 31, 2013 under application number EP13825301A. 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 |
|---|---|---|---|
| PILKINGTON GROUP | Feb 22, 2019 | STANLEY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0125162 |
| DESCRIPTION | WO2005087680 |
| INTERNATIONAL-SEARCH-REPORT | JP2010222233 |
| INTERNATIONAL-SEARCH-REPORT | JP2012106931 |
| INTERNATIONAL-SEARCH-REPORT | WO2011074425 |
| OTHER | JP2012101999 |
| OTHER | US2006050425 |
| SEARCH | EP2471762 |
| SEARCH | JP2012101999 |
| SEARCH | US2006050425 |
| SEARCH | US2011300356 |
| SEARCH | WO2012050078 |
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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Oct 23, 2023
Advice of delivery
Appeal
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Jul 13, 2023
Jul 13, 2023
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Jun 28, 2023
(Electronic) Receipt
Appeal
Jun 28, 2023
Jun 26, 2023
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
Jun 9, 2023
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Jun 6, 2023
(Electronic) Receipt
Appeal
Jun 6, 2023
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May 30, 2023
(Electronic) Receipt
Appeal
May 30, 2023
May 30, 2023
Apr 28, 2023
Apr 28, 2023
Oct 26, 2022
Advice of delivery
Appeal
Oct 18, 2022
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Jul 7, 2022
Jul 1, 2022
(Electronic) Receipt
Appeal
Jul 1, 2022
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Reply to appeal
Appeal
Apr 14, 2022
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Feb 16, 2022
(Electronic) Receipt
Appeal
Feb 16, 2022
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Dec 10, 2021
(Electronic) Receipt
Appeal
Dec 10, 2021
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Dec 8, 2021
(Electronic) Receipt
Appeal
Dec 8, 2021
Dec 8, 2021
Notice of appeal
Appeal
Oct 15, 2021
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Means of redress
OPPO
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Jun 4, 2018
Apr 26, 2018
Decision to grant a European patent
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Filing of the translations of the claims
Search/Exam
Apr 10, 2018
French translation of claims
Search/Exam
Apr 10, 2018
German translation of the claims
Search/Exam
Dec 14, 2017
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Intention to grant (signatures)
Search/Exam
Dec 14, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 14, 2017
Nov 16, 2017
(Electronic) Receipt
Search/Exam
Nov 16, 2017
Amended description with annotations
Search/Exam
Nov 16, 2017
Description
Search/Exam
Nov 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2017
Jul 10, 2017
Annex to the communication
Search/Exam
Jul 10, 2017
Communication from the Examining Division
Search/Exam
Oct 4, 2016
(Electronic) Receipt
Search/Exam
Oct 4, 2016
Oct 4, 2016
Amended claims with annotations
Search/Exam
Oct 4, 2016
Amendments received before examination
Search/Exam
Oct 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2016
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European search opinion
Search/Exam
Mar 9, 2016
Information on Search Strategy
Search/Exam
Mar 9, 2016
Supplementary European search report
Search/Exam
Feb 24, 2016
Search started
Search/Exam
Nov 24, 2015
Nov 24, 2015
Amended claims with annotations
Search/Exam
Nov 24, 2015
Amendments received before examination
Search/Exam
Jul 13, 2015
Submission concerning representation
Search/Exam
May 21, 2015
May 20, 2015
Notification of forthcoming publication
Search/Exam
Mar 4, 2015
Communication to designated inventor
Search/Exam
Mar 4, 2015
Communication to designated inventor
Search/Exam
Mar 4, 2015
Communication to designated inventor
Search/Exam
Mar 4, 2015
Communication to designated inventor
Search/Exam
Feb 10, 2015
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Jan 29, 2015
(Electronic) Receipt
Search/Exam
Jan 29, 2015
Abstract
Search/Exam
Jan 29, 2015
Claims
Search/Exam
Jan 29, 2015
Description
Search/Exam
Jan 29, 2015
Drawings
Search/Exam
Jan 29, 2015
Request for entry into the European phase
Search/Exam
Dec 10, 2014
Information on entry into European phase
Search/Exam
Jul 16, 2014
Notification of election of EPO
Search/Exam
Feb 25, 2014
Feb 25, 2014
Feb 6, 2014
Copy of the international search report
Search/Exam
Feb 6, 2014
Feb 6, 2014
International publication pamphlet
Search/Exam