The patent EP2508582 was granted to Nitto Denko on Apr 11, 2018. The application was originally filed on Feb 25, 2010 under application number EP12004732A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002309227 |
| DESCRIPTION | JP2005179561 |
| DESCRIPTION | JP2005350650 |
| DESCRIPTION | JP2006022189 |
| DESCRIPTION | JP2006179561 |
| DESCRIPTION | JP2007009138 |
| DESCRIPTION | JP2008012798 |
| EXAMINATION | EP2087995 |
| EXAMINATION | JP2008162264 |
| OPPOSITION | DE29901090U |
| OPPOSITION | DE3724528 |
| OPPOSITION | EP1595927 |
| OPPOSITION | EP2039506 |
| OPPOSITION | JP2002309227 |
| OPPOSITION | JP2005179561 |
| OPPOSITION | JP2006022189 |
| OPPOSITION | JP2007009138 |
| OPPOSITION | US5044776 |
| OPPOSITION | WO0114489 |
| OPPOSITION | WO2008004503 |
| SEARCH | DE29901090U |
| SEARCH | DE3724528 |
| SEARCH | US5044776 |
| SEARCH | US5964252 |
| SEARCH | WO0114489 |
| SEARCH | WO2005075595 |
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Date
Description
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Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Mar 12, 2024
Mar 12, 2024
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Feb 9, 2024
(Electronic) Receipt
Appeal
Feb 8, 2024
Feb 6, 2024
(Electronic) Receipt
Appeal
Feb 6, 2024
Feb 6, 2024
Jan 15, 2024
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Sep 12, 2023
Advice of delivery
Appeal
Sep 4, 2023
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Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Advice of delivery
Appeal
Aug 29, 2023
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Aug 11, 2023
(Electronic) Receipt
Appeal
Aug 11, 2023
(Electronic) Receipt
Appeal
Aug 11, 2023
Advice of delivery
Appeal
Aug 11, 2023
Aug 11, 2023
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(Electronic) Receipt
Appeal
Aug 24, 2022
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Apr 13, 2022
Apr 8, 2022
(Electronic) Receipt
Appeal
Apr 8, 2022
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Reply to appeal
Appeal
Dec 1, 2021
Nov 24, 2021
(Electronic) Receipt
Appeal
Nov 24, 2021
Nov 24, 2021
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Aug 25, 2021
Aug 25, 2021
Aug 17, 2021
(Electronic) Receipt
Appeal
Aug 17, 2021
Notice of appeal
Appeal
Jul 29, 2021
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Means of redress
OPPO
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Apr 23, 2018
Mar 15, 2018
Decision to grant a European patent
Search/Exam
Feb 26, 2018
(Electronic) Receipt
Search/Exam
Feb 26, 2018
Filing of the translations of the claims
Search/Exam
Feb 26, 2018
French translation of claims
Search/Exam
Feb 26, 2018
German translation of the claims
Search/Exam
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Intention to grant (signatures)
Search/Exam
Dec 14, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 14, 2017
Aug 1, 2017
Claims
Search/Exam
Aug 1, 2017
Mar 22, 2017
Annex to the communication
Search/Exam
Mar 22, 2017
Communication from the Examining Division
Search/Exam
Nov 9, 2016
Amended claims with annotations
Search/Exam
Nov 9, 2016
Claims
Search/Exam
Nov 9, 2016
Sep 16, 2016
Sep 9, 2016
May 2, 2016
Annex to the communication
Search/Exam
May 2, 2016
Communication from the Examining Division
Search/Exam
Apr 25, 2016
Examination started
Search/Exam
Feb 24, 2015
Submission concerning representation
Search/Exam
Jan 23, 2015
Apr 5, 2013
Apr 5, 2013
Amendments received before examination
Search/Exam
Apr 5, 2013
Payment of fees and costs
Search/Exam
Oct 15, 2012
Oct 4, 2012
Refund of fees
Search/Exam
Sep 12, 2012
Notification of forthcoming publication
Search/Exam
Sep 7, 2012
Sep 7, 2012
European search opinion
Search/Exam
Sep 7, 2012
European search report
Search/Exam
Aug 31, 2012
Modified abstract
Search/Exam
Aug 20, 2012
Communication to designated inventor
Search/Exam
Aug 20, 2012
Communication to designated inventor
Search/Exam
Aug 20, 2012
Communication to designated inventor
Search/Exam
Jun 25, 2012
Abstract
Search/Exam
Jun 25, 2012
Claims
Search/Exam
Jun 25, 2012
Description
Search/Exam
Jun 25, 2012
Designation of inventor
Search/Exam
Jun 25, 2012
Drawings
Search/Exam
Jun 25, 2012
Apr 27, 2010