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The patent EP3209138 was granted to E I DU Pont DE Nemours on Jun 21, 2023. The application was filed on Oct 22, 2015 under application number EP15790756A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BUNGE LODERS CROKLAAN | Aug 18, 2020 | POTTER CLARKSON | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0870840 |
| OPPOSITION | EP0953339 |
| OPPOSITION | EP2832228 |
| OPPOSITION | JP2000279092 |
| OPPOSITION | US2010159111 |
| OPPOSITION | US4155770 |
| OPPOSITION | WO9740698 |
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.
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Description
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Dec 2, 2019
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Decision to grant a European patent
Search/Exam
Oct 23, 2019
Payment submission rejected
Search/Exam
Sep 10, 2019
(Electronic) Receipt
Search/Exam
Sep 10, 2019
Filing of the translations of the claims
Search/Exam
Sep 10, 2019
French translation of claims
Search/Exam
Sep 10, 2019
German translation of the claims
Search/Exam
Sep 10, 2019
Letter accompanying subsequently filed items
Search/Exam
May 3, 2019
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Intention to grant (signatures)
Search/Exam
May 3, 2019
Text intended for grant (clean copy)
Search/Exam
May 3, 2019
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Observations by third parties
Search/Exam
Dec 19, 2018
(Electronic) Receipt
Search/Exam
Dec 19, 2018
Amended description with annotations
Search/Exam
Dec 19, 2018
Description
Search/Exam
Dec 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2018
Aug 27, 2018
Annex to the communication
Search/Exam
Aug 27, 2018
Communication from the Examining Division
Search/Exam
Aug 21, 2018
Examination started
Search/Exam
May 28, 2018
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Decision to allow further processing
Search/Exam
Jan 22, 2018
(Electronic) Receipt
Search/Exam
Jan 22, 2018
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Amended claims with annotations
Search/Exam
Jan 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2018
Request for further processing
Search/Exam
Jan 17, 2018
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Claim deemed abandoned
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Aug 2, 2017
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Communication to designated inventor
Search/Exam
May 29, 2017
Communication to designated inventor
Search/Exam
May 12, 2017
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(Electronic) Receipt
Search/Exam
Apr 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2017
Submission concerning representation
Search/Exam
Apr 19, 2017
(Electronic) Receipt
Search/Exam
Apr 19, 2017
Request for entry into the European phase
Search/Exam
Mar 3, 2017
Information on entry into European phase
Search/Exam
Mar 1, 2017
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Notification of the recording of a change
Search/Exam
May 17, 2016
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Apr 28, 2016
Copy of the international search report
Search/Exam
Apr 28, 2016
Published international application - A1
Search/Exam
Apr 14, 2016
ISR: cited documents
PCTISA
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Abstract
PCTISA
Nov 2, 2015
Annex
PCTISA
Nov 2, 2015
Claims
PCTISA
Nov 2, 2015
Description
PCTISA
Nov 2, 2015
Drawings
PCTISA
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