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The patent EP3074462 was granted to DOW on May 22, 2024. The application was originally filed on Nov 10, 2014 under application number EP14802774A. 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 | EP2170986 |
| DESCRIPTION | EP2195380 |
| DESCRIPTION | US2011171570 |
| DESCRIPTION | US4857600 |
| DESCRIPTION | US5246783 |
| DESCRIPTION | US5266627 |
| DESCRIPTION | US5575965 |
| DESCRIPTION | US6496629 |
| DESCRIPTION | US6714707 |
| DESCRIPTION | US8324311 |
| DESCRIPTION | US8460770 |
| DESCRIPTION | US8541491 |
| INTERNATIONAL-SEARCH-REPORT | US4550056 |
| INTERNATIONAL-SEARCH-REPORT | US5639818 |
| OPPOSITION | EP0113259 |
| OPPOSITION | GB1234034 |
| OPPOSITION | US4117195 |
| OPPOSITION | US4252906 |
| OPPOSITION | US6388051 |
| OPPOSITION | WO2009056408 |
| OPPOSITION | WO2009056409 |
| OPPOSITION | WO2011160964 |
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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Apr 25, 2024
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Means of redress
OPPO
Oct 23, 2023
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Dec 20, 2022
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Oct 5, 2022
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Sep 26, 2022
(Electronic) Receipt
Appeal
Sep 26, 2022
Sep 26, 2022
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Sep 8, 2022
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(Electronic) Receipt
Appeal
Sep 7, 2022
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 5, 2022
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(Electronic) Receipt
Appeal
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Dec 7, 2021
Advice of delivery
Appeal
Dec 6, 2021
Dec 6, 2021
Dec 1, 2021
Apr 8, 2021
Dec 3, 2020
Sep 14, 2020
Sep 8, 2020
(Electronic) Receipt
Appeal
Sep 8, 2020
Sep 8, 2020
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Claims
Appeal
Sep 8, 2020
Sep 8, 2020
Reply to appeal
Appeal
Apr 28, 2020
Apr 20, 2020
(Electronic) Receipt
Appeal
Apr 20, 2020
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Feb 27, 2020
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(Electronic) Receipt
Appeal
Feb 20, 2020
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Notice of appeal
Appeal
Dec 20, 2019
Dec 10, 2019
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Means of redress
OPPO
Dec 10, 2019
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
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OPPO
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
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OPPO
Oct 21, 2019
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OPPO
Oct 21, 2019
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OPPO
Sep 6, 2019
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OPPO
Sep 6, 2019
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OPPO
Sep 6, 2019
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OPPO
Feb 15, 2019
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OPPO
Feb 15, 2019
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OPPO
Feb 15, 2019
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OPPO
Feb 15, 2019
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OPPO
Feb 15, 2019
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OPPO
Feb 15, 2019
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Oct 5, 2018
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Jan 5, 2018
Nov 23, 2017
Decision to grant a European patent
Search/Exam
Oct 30, 2017
(Electronic) Receipt
Search/Exam
Oct 30, 2017
Filing of the translations of the claims
Search/Exam
Oct 30, 2017
French translation of claims
Search/Exam
Oct 30, 2017
German translation of the claims
Search/Exam
Oct 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2017
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Jul 5, 2017
Intention to grant (signatures)
Search/Exam
Jul 5, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 5, 2017
Jun 8, 2017
Examination started
Search/Exam
Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
Dec 20, 2016
Amended claims with annotations
Search/Exam
Dec 20, 2016
Amendments received before examination
Search/Exam
Dec 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2016
Jul 1, 2016
Jun 29, 2016
Communication to designated inventor
Search/Exam
Jun 13, 2016
Apr 29, 2016
Information regarding early processing
Search/Exam
Apr 1, 2016
Information on entry into European phase
Search/Exam
Mar 31, 2016
(Electronic) Receipt
Search/Exam
Mar 31, 2016
Request for entry into the European phase
Search/Exam
Jun 15, 2015
May 28, 2015
Copy of the international search report
Search/Exam
May 28, 2015
Published international application - A1
Search/Exam
Jan 27, 2015
Jan 27, 2015
Jan 27, 2015
Nov 24, 2014
Abstract
PCTISA
Nov 24, 2014
Annex
PCTISA
Nov 24, 2014
Claims
PCTISA
Nov 24, 2014
Description
PCTISA
Nov 24, 2014
Drawings
PCTISA