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The patent EP3610871 was granted to Mexichem Fluor DE CV on Nov 8, 2023. The application was filed on Sep 18, 2017 under application number EP19199783A. 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 |
|---|---|---|---|
| ELKINGTON AND FIFE | Aug 8, 2024 | ELKINGTON AND FIFE | ADMISSIBLE |
| HGF | Aug 8, 2024 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US6585958 |
| OPPOSITION | WO2005074918 |
| OPPOSITION | WO2010138862 |
| OPPOSITION | WO2011076842 |
| OPPOSITION | WO2011076843 |
| OPPOSITION | WO2012110770 |
| OPPOSITION | WO2012156711 |
| OPPOSITION | WO2013054135 |
| OPPOSITION | WO2014170689 |
| OPPOSITION | WO2014190204 |
| OPPOSITION | WO2015101575 |
| OPPOSITION | WO2015101576 |
| SEARCH | WO2012110770 |
| SEARCH | WO2012156711 |
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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Decision to grant a European patent
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Sep 13, 2023
(Electronic) Receipt
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Sep 13, 2023
French translation of claims
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Sep 13, 2023
German translation of the claims
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Sep 13, 2023
Letter accompanying subsequently filed items
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Jun 23, 2023
Change to the inventor details
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Jun 20, 2023
(Electronic) Receipt
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Jun 20, 2023
Letter accompanying subsequently filed items
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Jun 20, 2023
Letter concerning the inventor
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Intention to grant (signatures)
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May 16, 2023
Text intended for grant (clean copy)
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May 16, 2023
Apr 25, 2023
(Electronic) Receipt
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Apr 25, 2023
Amended claims with annotations
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Apr 25, 2023
Amended description with annotations
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Apr 25, 2023
Claims
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Apr 25, 2023
Description
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Apr 25, 2023
Letter accompanying subsequently filed items
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Apr 25, 2023
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Mar 14, 2023
(Electronic) Receipt
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Mar 14, 2023
Letter accompanying subsequently filed items
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Mar 14, 2023
Dec 20, 2022
Document concerning representation
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Nov 10, 2022
Annex to the communication
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Nov 10, 2022
Communication from the Examining Division
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Oct 28, 2022
Examination started
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Aug 19, 2020
(Electronic) Receipt
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Aug 19, 2020
Aug 19, 2020
Amended claims with annotations
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Aug 19, 2020
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Amended description with annotations
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Aug 19, 2020
Amendments received before examination
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Aug 19, 2020
Letter accompanying subsequently filed items
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Feb 24, 2020
Jan 22, 2020
Notification of forthcoming publication
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Jan 20, 2020
Refund of fees
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Jan 9, 2020
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European search opinion
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Jan 9, 2020
European search report
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Jan 9, 2020
Information on Search Strategy
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Nov 19, 2019
Communication to designated inventor
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Nov 19, 2019
Communication to designated inventor
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Sep 26, 2019
Abstract
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Sep 26, 2019
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Claims
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Sep 26, 2019
Description
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Sep 26, 2019
Designation of inventor
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Sep 26, 2019
Matter concerning the application
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Sep 26, 2019
Request for grant of a European patent
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Apr 9, 2018
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