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The patent EP3164485 was granted to Rhodia Operations on Aug 1, 2018. The application was filed on Jun 30, 2015 under application number EP15731618A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ENNOLYS | Apr 27, 2019 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6133003 |
| DESCRIPTION | WO2012172108 |
| EXAMINATION | WO2015193348 |
| INTERNATIONAL-SEARCH-REPORT | JP2004267131 |
| INTERNATIONAL-SEARCH-REPORT | WO03071861 |
| INTERNATIONAL-SEARCH-REPORT | WO2012172108 |
| OPPOSITION | EP1611244 |
| OPPOSITION | EP2721148 |
| OPPOSITION | JPH05227980 |
| OPPOSITION | US2011065156 |
| OPPOSITION | US2013115667 |
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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Dec 13, 2024
Dec 13, 2024
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Claims
Appeal
Sep 10, 2024
Claims
Appeal
Sep 10, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Nov 28, 2023
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
Jan 7, 2022
Dec 23, 2021
(Electronic) Receipt
Appeal
Dec 23, 2021
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(Electronic) Receipt
Appeal
Oct 8, 2021
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Notice of appeal
Appeal
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OPPO
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OPPO
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Authorisation
Search/Exam
Aug 13, 2018
Jul 5, 2018
Decision to grant a European patent
Search/Exam
Jun 11, 2018
(Electronic) Receipt
Search/Exam
Jun 11, 2018
Filing of the translations of the claims
Search/Exam
Jun 11, 2018
French translation of claims
Search/Exam
Jun 11, 2018
German translation of the claims
Search/Exam
Jun 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2018
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Jun 1, 2018
May 14, 2018
Invitation to file an authorisation
Search/Exam
May 3, 2018
(Electronic) Receipt
Search/Exam
May 3, 2018
Letter accompanying subsequently filed items
Search/Exam
May 3, 2018
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Intention to grant (signatures)
Search/Exam
Apr 6, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 6, 2018
Text intended for grant (sequence listing)
Search/Exam
Apr 6, 2018
Feb 28, 2018
Examination started
Search/Exam
Aug 18, 2017
(Electronic) Receipt
Search/Exam
Aug 18, 2017
Aug 18, 2017
Amended claims with annotations
Search/Exam
Aug 18, 2017
Amendments received before examination
Search/Exam
Aug 18, 2017
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Feb 8, 2017
Priority search results copy provided by EPO
Search/Exam
Jan 16, 2017
Dec 21, 2016
(Electronic) Receipt
Search/Exam
Dec 21, 2016
Request for entry into the European phase
Search/Exam
Nov 11, 2016
Information on entry into European phase
Search/Exam
Jan 26, 2016
Jan 7, 2016
Converted Sequence Listing
Search/Exam
Jan 7, 2016
Copy of the international search report
Search/Exam
Jan 7, 2016
Published international application - A1
Search/Exam
Sep 25, 2015
ISR: cited documents
PCTISA
Sep 24, 2015
Sep 24, 2015
Sep 24, 2015
Jun 30, 2015
(Electronic) Receipt
PCTRO
Jun 30, 2015
Abstract
PCTRO
Jun 30, 2015
Claims
PCTRO
Jun 30, 2015
Description
PCTRO
Jun 30, 2015
Drawings
PCTRO
Jun 30, 2015