The patent EP2993704 was granted to Mitsui Chemicals on Apr 24, 2019. The application was originally filed on Oct 7, 2011 under application number EP15190798A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | JP2005314680 | 
| DESCRIPTION | JP2006077261 | 
| DESCRIPTION | JP2006210906 | 
| DESCRIPTION | JP2008231265 | 
| DESCRIPTION | JP2010053298 | 
| DESCRIPTION | JP2010258439 | 
| OPPOSITION | EP2637217 | 
| OPPOSITION | JPH0632815 | 
| OPPOSITION | US5986028 | 
| OPPOSITION | US6136937 | 
| OPPOSITION | WO2008036708 | 
| SEARCH | JP2008205448 | 
| SEARCH | JP2009256459 | 
| SEARCH | US2010108127 | 
| SEARCH | US2012000514 | 
| SEARCH | WO2008036708 | 
| SEARCH | WO2010051422 | 
| SEARCH | WO2010114028 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| DESCRIPTION | - ANALYSIS CHEMISTRY, (1971), vol. 43, page 1245 | 
| DESCRIPTION | - J.C. RANDALL, MACROMOLECULES, (1982), vol. 15, page 353 | 
| DESCRIPTION | - J.C. RANDALL, REVIEW MACROMOLECULAR CHEMISTRY PHYSICS, (1989), vol. C29, page 201 | 
| DESCRIPTION | - J. RAY, MACROMOLECULES, (1977), vol. 10, page 773 | 
| OPPOSITION | - Anonymous, "Engage 8400 datasheet", DOW, pages 1 - 2, DOW, (20190228), XP055562819 | 
| OPPOSITION | - Anonymous, "Plastics - Determination of cadmium - Wet decomposition method", BRITISH STANDARD BS EN 1122:2001, pages 1 - 9, BRITISH STANDARD BS EN 1122:2001, (20190228), XP055562824 | 
| OPPOSITION | - C. Vandecasteele, Block C.B., "Modern Methods for Trace Element Determination", Maruzen Co. Ltd., (19950920), pages 9 - 11, XP055693130 | 
| OPPOSITION | - Dow, "ENGAGE 8200 Polyolefin Elastomer", Technical information, pages 1 - 2, Technical information, (20170203), XP055341886 | 
| OPPOSITION | - "Engage Polyolefin elastomer product chart", (19980901), URL: www.dupont-dow.com, (20040218), XP002270747 | 
Get a free citation report including examiner, opposition, and international search citations.
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Date
Description
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Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Refund of fees
Appeal
Oct 20, 2025
Oct 17, 2025
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Oct 15, 2025
(Electronic) Receipt
Appeal
Oct 15, 2025
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Withdrawal of an appeal
Appeal
Oct 10, 2025
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(Electronic) Receipt
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(Electronic) Receipt
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Aug 30, 2022
(Electronic) Receipt
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Aug 30, 2022
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Reply to appeal
Appeal
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(Electronic) Receipt
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(Electronic) Receipt
Appeal
Feb 16, 2022
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Notice of appeal
Appeal
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May 7, 2019
Mar 28, 2019
Decision to grant a European patent
Search/Exam
Mar 19, 2019
Mar 14, 2019
(Electronic) Receipt
Search/Exam
Mar 14, 2019
Filing of the translations of the claims
Search/Exam
Mar 14, 2019
French translation of claims
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Mar 14, 2019
German translation of the claims
Search/Exam
Mar 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2018
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Intention to grant (signatures)
Search/Exam
Dec 19, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 19, 2018
Jun 20, 2017
Amended claims with annotations
Search/Exam
Jun 20, 2017
Annex
Search/Exam
Jun 20, 2017
Claims
Search/Exam
Jun 20, 2017
Description
Search/Exam
Jun 20, 2017
Feb 15, 2017
Annex to the communication
Search/Exam
Feb 15, 2017
Communication from the Examining Division
Search/Exam
Feb 6, 2017
Examination started
Search/Exam
Nov 14, 2016
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Amended claims with annotations
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Sep 2, 2016
Sep 2, 2016
Amendments received before examination
Search/Exam
Mar 14, 2016
Feb 10, 2016
Notification of forthcoming publication
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Feb 8, 2016
Feb 8, 2016
European search opinion
Search/Exam
Feb 8, 2016
European search report
Search/Exam
Feb 8, 2016
Information on Search Strategy
Search/Exam
Jan 4, 2016
Search started
Search/Exam
Dec 14, 2015
Communication to designated inventor
Search/Exam
Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Dec 14, 2015
Communication to designated inventor
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Oct 21, 2015
Abstract
Search/Exam
Oct 21, 2015
Oct 21, 2015
Claims
Search/Exam
Oct 21, 2015
Description
Search/Exam
Oct 21, 2015
Designation of inventor
Search/Exam
Oct 21, 2015
Drawings
Search/Exam
Oct 21, 2015
Request for grant of a European patent
Search/Exam
May 10, 2012
May 10, 2012