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The patent EP2937328 was granted to Toray Industries on Apr 9, 2025. The application was originally filed on Dec 18, 2013 under application number EP13864516A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2007525508 |
| DESCRIPTION | JP2010143888 |
| DESCRIPTION | JP2010150248 |
| INTERNATIONAL-SEARCH-REPORT | JP2010253357 |
| INTERNATIONAL-SEARCH-REPORT | JP2011126911 |
| OPPOSITION | JP2010253357 |
| OPPOSITION | US2011000355 |
| OPPOSITION | US2504169 |
| OPPOSITION | US3471329 |
| OPPOSITION | US4968353 |
| OPPOSITION | US6428892 |
| OPPOSITION | WO0125178 |
| OPPOSITION | WO2004101479 |
| SEARCH | US6428992 |
| SEARCH | WO0125178 |
| SEARCH | WO2004101479 |
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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Mar 13, 2025
Mar 13, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
Dec 8, 2023
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(Electronic) Receipt
Appeal
Dec 4, 2023
Dec 4, 2023
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Advice of delivery
Appeal
Oct 31, 2023
Advice of delivery
Appeal
Oct 30, 2023
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(Electronic) Receipt
Appeal
Sep 14, 2023
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Reply to appeal
Appeal
Feb 21, 2023
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Dec 7, 2021
Nov 17, 2021
(Electronic) Receipt
Appeal
Nov 17, 2021
Nov 17, 2021
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Sep 24, 2021
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Sep 17, 2021
(Electronic) Receipt
Appeal
Sep 17, 2021
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Notice of appeal
Appeal
Jul 15, 2021
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Aug 27, 2018
Jul 19, 2018
Decision to grant a European patent
Search/Exam
Jul 2, 2018
(Electronic) Receipt
Search/Exam
Jul 2, 2018
Filing of the translations of the claims
Search/Exam
Jul 2, 2018
French translation of claims
Search/Exam
Jul 2, 2018
German translation of the claims
Search/Exam
Jul 2, 2018
Letter accompanying subsequently filed items
Search/Exam
May 22, 2018
Submission concerning representation
Search/Exam
Mar 15, 2018
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Intention to grant (signatures)
Search/Exam
Mar 15, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2018
Oct 9, 2017
Amended description with annotations
Search/Exam
Oct 9, 2017
Description
Search/Exam
Oct 9, 2017
Jun 20, 2017
Annex to the communication
Search/Exam
Jun 20, 2017
Communication from the Examining Division
Search/Exam
Jun 12, 2017
Examination started
Search/Exam
Jan 10, 2017
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Amendments received before examination
Search/Exam
Jan 10, 2017
Non-scannable object
Search/Exam
Dec 20, 2016
Payment of fees and costs
Search/Exam
Jul 12, 2016
Jun 23, 2016
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European search opinion
Search/Exam
Jun 23, 2016
Information on Search Strategy
Search/Exam
Jun 23, 2016
Supplementary European search report
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Jun 15, 2016
Search started
Search/Exam
Dec 22, 2015
Payment of fees and costs
Search/Exam
Sep 30, 2015
Notification of forthcoming publication
Search/Exam
Aug 4, 2015
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Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 7, 2015
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Abstract
Search/Exam
Jun 16, 2015
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Claims
Search/Exam
Jun 16, 2015
Description
Search/Exam
Jun 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2015
Payment of fees and costs
Search/Exam
Jun 16, 2015
Request for entry into the European phase
Search/Exam
May 4, 2015
Information on entry into European phase
Search/Exam
Jul 17, 2014
Jun 26, 2014
Copy of the international search report
Search/Exam
Jun 26, 2014
Jun 26, 2014
International publication pamphlet
Search/Exam