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The patent EP2666807 was granted to Toray Industries on Jun 14, 2017. The application was filed on Aug 7, 2007 under application number EP13169274A. 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 |
|---|---|---|---|
| TEIJIN CARBON EUROPE | Jan 29, 2018 | HENKEL & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH0232843 |
| DESCRIPTION | JPH0269566 |
| DESCRIPTION | JPH0326750 |
| DESCRIPTION | JPH04292634 |
| DESCRIPTION | JPH06344519 |
| DESCRIPTION | JPH0834864 |
| DESCRIPTION | JPS4728067 |
| DESCRIPTION | JPS4751905B |
| DESCRIPTION | JPS485043B |
| DESCRIPTION | JPS4983767 |
| DESCRIPTION | JPS51131576 |
| DESCRIPTION | JPS5141770 |
| DESCRIPTION | JPS63170427 |
| DESCRIPTION | JPS63170428 |
| DESCRIPTION | JPS6426651 |
| DESCRIPTION | US5028478 |
| DESCRIPTION | WO9416003 |
| OPPOSITION | EP0274899 |
| OPPOSITION | EP2730914 |
| OPPOSITION | JP2005105152 |
| OPPOSITION | JP2006265769 |
| OPPOSITION | JPH05329837 |
| OPPOSITION | US2004191523 |
| OPPOSITION | US2005070185 |
| OPPOSITION | US2005242021 |
| OPPOSITION | US5057353 |
| OPPOSITION | US5952435 |
| OPPOSITION | US6592986 |
| OPPOSITION | WO9206402 |
| OPPOSITION | WO9826912 |
| SEARCH | JPH04168147 |
| SEARCH | US2003038279 |
| SEARCH | US2003089892 |
| SEARCH | WO2006030945 |
| SEARCH | WO2008056123 |
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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Dec 7, 2022
(Electronic) Receipt
Appeal
Dec 7, 2022
Advice of delivery
Appeal
Dec 7, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Nov 30, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Sep 30, 2022
Sep 27, 2022
(Electronic) Receipt
Appeal
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
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Sep 27, 2022
Sep 27, 2022
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Sep 27, 2022
Aug 19, 2022
(Electronic) Receipt
Appeal
Aug 19, 2022
Aug 16, 2022
(Electronic) Receipt
Appeal
Aug 16, 2022
Aug 16, 2022
Aug 9, 2022
(Electronic) Receipt
Appeal
Aug 9, 2022
Aug 3, 2022
Aug 3, 2022
Jul 29, 2022
Jul 28, 2022
(Electronic) Receipt
Appeal
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jul 25, 2022
Jul 25, 2022
Jul 1, 2022
Jun 28, 2022
(Electronic) Receipt
Appeal
Jun 28, 2022
Jun 28, 2022
Jun 13, 2022
Jun 13, 2022
Jun 8, 2022
Jun 1, 2022
(Electronic) Receipt
Appeal
Jun 1, 2022
Jun 1, 2022
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Nov 4, 2021
(Electronic) Receipt
Appeal
Nov 4, 2021
Advice of delivery
Appeal
Nov 4, 2021
Oct 29, 2021
Oct 29, 2021
Oct 26, 2021
Jun 14, 2021
Jun 8, 2021
(Electronic) Receipt
Appeal
Jun 8, 2021
Jun 8, 2021
Apr 1, 2021
Dec 14, 2020
Dec 8, 2020
(Electronic) Receipt
Appeal
Dec 8, 2020
Dec 8, 2020
Reply to appeal
Appeal
Jul 31, 2020
Jul 27, 2020
(Electronic) Receipt
Appeal
Jul 27, 2020
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Claims
Appeal
Jul 27, 2020
Jul 27, 2020
Jun 5, 2020
Jun 5, 2020
May 26, 2020
(Electronic) Receipt
Appeal
May 26, 2020
May 26, 2020
Notice of appeal
Appeal
May 26, 2020
Notice of appeal
Appeal
Apr 22, 2020
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Mar 20, 2020
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Document concerning representation
Search/Exam
Mar 17, 2020
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Means of redress
OPPO
Mar 17, 2020
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Dec 20, 2018
Dec 14, 2018
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Claims
OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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OPPO
Aug 3, 2018
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Jun 21, 2018
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Mar 26, 2018
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Feb 6, 2018
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Jun 14, 2017
May 18, 2017
Decision to grant a European patent
Search/Exam
May 4, 2017
May 4, 2017
May 4, 2017
Intention to grant (signatures)
Search/Exam
May 4, 2017
Text intended for grant (clean copy)
Search/Exam
May 4, 2017
May 3, 2017
Apr 3, 2017
(Electronic) Receipt
Search/Exam
Apr 3, 2017
Description
Search/Exam
Apr 3, 2017
French translation of claims
Search/Exam
Apr 3, 2017
German translation of the claims
Search/Exam
Apr 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2017
Nov 25, 2016
Nov 25, 2016
Nov 25, 2016
Intention to grant (signatures)
Search/Exam
Nov 25, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2016
Nov 9, 2016
Examination started
Search/Exam
May 11, 2015
Submission concerning representation
Search/Exam
May 8, 2015
Submission concerning representation
Search/Exam
Nov 3, 2014
(Electronic) Receipt
Search/Exam
Nov 3, 2014
Nov 3, 2014
Amended description with annotations
Search/Exam
Nov 3, 2014
Amendments received before examination
Search/Exam
Nov 3, 2014
Letter accompanying subsequently filed items
Search/Exam
May 12, 2014
Apr 29, 2014
Refund of fees
Search/Exam
Apr 4, 2014
Apr 4, 2014
European search opinion
Search/Exam
Apr 4, 2014
European search report
Search/Exam
Oct 30, 2013
Notification of forthcoming publication
Search/Exam
Sep 26, 2013
Search started
Search/Exam
Sep 3, 2013
(Electronic) Receipt
Search/Exam
Sep 3, 2013
Claims
Search/Exam
Sep 3, 2013
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2013
Matter concerning the application
Search/Exam
Aug 2, 2013
Communication to designated inventor
Search/Exam
Aug 2, 2013
Communication to designated inventor
Search/Exam
Aug 2, 2013
Communication to designated inventor
Search/Exam
Aug 2, 2013
Communication to designated inventor
Search/Exam
Aug 2, 2013
Communication to designated inventor
Search/Exam
Jun 24, 2013
Invitation to file claims
Search/Exam
Jun 11, 2013
Payment of fees and costs
Search/Exam
May 24, 2013
Abstract
Search/Exam
May 24, 2013
May 24, 2013
Description
Search/Exam
May 24, 2013
Designation of inventor
Search/Exam
May 24, 2013
Designation of inventor
Search/Exam
May 24, 2013
Designation of inventor
Search/Exam
May 24, 2013
Designation of inventor
Search/Exam
May 24, 2013
Designation of inventor
Search/Exam
May 24, 2013
Drawings
Search/Exam
May 24, 2013
Letter concerning search matters
Search/Exam
May 24, 2013
Letter concerning search matters
Search/Exam
May 24, 2013
May 24, 2013
Submission concerning representation
Search/Exam
Mar 4, 2008
Mar 4, 2008
Mar 4, 2008