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The patent EP3086872 was granted to Rhodia Operations on Jul 15, 2020. The application was filed on Dec 23, 2014 under application number EP14875698A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| NEO CHEMICALS & OXIDES EUROPE | Apr 15, 2021 | BIRD & BIRD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009149321 |
| INTERNATIONAL-SEARCH-REPORT | US2010227757 |
| INTERNATIONAL-SEARCH-REPORT | US2012131911 |
| INTERNATIONAL-SEARCH-REPORT | US8071498 |
| INTERNATIONAL-SEARCH-REPORT | WO2012067654 |
| OPPOSITION | CN102824904 |
| OPPOSITION | US2012129690 |
| OPPOSITION | US2012277094 |
| OPPOSITION | US5883037 |
| OPPOSITION | US5976476 |
| OPPOSITION | WO2004033091 |
| OPPOSITION | WO2015100313 |
| SEARCH | US2002187893 |
| SEARCH | US2003077218 |
| SEARCH | US2003125202 |
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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Means of redress
OPPO
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(Electronic) Receipt
Appeal
Nov 4, 2024
Nov 4, 2024
Oct 23, 2024
Oct 17, 2024
(Electronic) Receipt
Appeal
Oct 17, 2024
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Oct 11, 2024
(Electronic) Receipt
Appeal
Oct 11, 2024
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(Electronic) Receipt
Appeal
Oct 2, 2024
(Electronic) Receipt
Appeal
Oct 2, 2024
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(Electronic) Receipt
Appeal
Jul 29, 2024
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(Electronic) Receipt
Appeal
Jul 16, 2024
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(Electronic) Receipt
Appeal
May 2, 2024
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Mar 19, 2024
Mar 15, 2024
(Electronic) Receipt
Appeal
Mar 15, 2024
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Mar 7, 2023
(Electronic) Receipt
Appeal
Mar 7, 2023
Mar 7, 2023
Reply to appeal
Appeal
Oct 31, 2022
Oct 26, 2022
(Electronic) Receipt
Appeal
Oct 26, 2022
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(Electronic) Receipt
Appeal
Aug 22, 2022
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Notice of appeal
Appeal
Jun 30, 2022
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Means of redress
OPPO
Jun 22, 2022
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Authorisation
OPPO
May 2, 2022
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Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 8, 2020
(Electronic) Receipt
Search/Exam
Jun 8, 2020
Jun 8, 2020
Filing of the translations of the claims
Search/Exam
Jun 8, 2020
French translation of claims
Search/Exam
Jun 8, 2020
German translation of the claims
Search/Exam
Jun 8, 2020
Letter accompanying subsequently filed items
Search/Exam
May 26, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Intention to grant (signatures)
Search/Exam
Jan 30, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 30, 2020
Jan 15, 2020
Examination started
Search/Exam
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Apr 24, 2019
Amended claims with annotations
Search/Exam
Apr 24, 2019
Amendments received before examination
Search/Exam
Apr 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2018
Sep 28, 2018
Sep 28, 2018
European search opinion
Search/Exam
Sep 28, 2018
Information on Search Strategy
Search/Exam
Sep 28, 2018
Supplementary European search report
Search/Exam
Nov 3, 2017
Refund of fees
Search/Exam
Nov 3, 2017
Refund of fees
Search/Exam
Oct 12, 2017
(Electronic) Receipt
Search/Exam
Oct 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2017
Letter concerning search matters
Search/Exam
Aug 2, 2017
Aug 2, 2017
Information on Search Strategy
Search/Exam
Aug 2, 2017
Partial European search report
Search/Exam
Aug 2, 2017
Jul 14, 2017
Search started
Search/Exam
Oct 6, 2016
Aug 31, 2016
Aug 5, 2016
Note on telephone consultation
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Jul 21, 2016
(Electronic) Receipt
Search/Exam
Jul 21, 2016
Jul 21, 2016
Amended claims with annotations
Search/Exam
Jul 21, 2016
Request for entry into the European phase
Search/Exam
Jul 12, 2016
May 9, 2016
Information on entry into European phase
Search/Exam
Jul 23, 2015
Jul 2, 2015
Copy of the international search report
Search/Exam
Jul 2, 2015
Published international application - A1
Search/Exam