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The patent EP3239269 was granted to Daikin Industries on Dec 20, 2023. The application was filed on Jun 1, 2015 under application number EP17173437A. 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 |
|---|---|---|---|
| THE CHEMOURS FC | Mar 30, 2021 | ABITZ & PARTNER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2011525204 |
| DESCRIPTION | JP2011525205 |
| DESCRIPTION | JP2013501820 |
| DESCRIPTION | JP2014514423 |
| DESCRIPTION | WO2010002014 |
| DESCRIPTION | WO2010002020 |
| DESCRIPTION | WO2011093521 |
| DESCRIPTION | WO2012151238 |
| EXAMINATION | US2003010618 |
| EXAMINATION | US5877360 |
| EXAMINATION | WO0183411 |
| EXAMINATION | WO2007126414 |
| EXAMINATION | WO2011163117 |
| EXAMINATION | WO9703936 |
| EXAMINATION | WO9907660 |
| OPPOSITION | EP2028172 |
| OPPOSITION | US2003010618 |
| OPPOSITION | US2011152585 |
| OPPOSITION | US2012065437 |
| OPPOSITION | US5470442 |
| OPPOSITION | US5877360 |
| OPPOSITION | US9574123 |
| OPPOSITION | WO0183411 |
| OPPOSITION | WO2007126414 |
| OPPOSITION | WO2010059677 |
| OPPOSITION | WO2011163117 |
| OPPOSITION | WO2012151238 |
| OPPOSITION | WO2013192069 |
| OPPOSITION | WO2014102479 |
| OPPOSITION | WO2015054110 |
| OPPOSITION | WO2015077134 |
| OPPOSITION | WO9703936 |
| OPPOSITION | WO9907660 |
| OTHER | EP3015526 |
| OTHER | US2003010618 |
| OTHER | US5877360 |
| OTHER | WO0183411 |
| OTHER | WO2007126414 |
| OTHER | WO2011163117 |
| OTHER | WO2012151238 |
| OTHER | WO9703936 |
| OTHER | WO9907660 |
| SEARCH | FR3000096 |
| SEARCH | US2003157009 |
| SEARCH | US2010181186 |
| SEARCH | US2012065437 |
| SEARCH | US2013186115 |
| SEARCH | WO2010059677 |
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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Decision to grant a European patent
Search/Exam
May 20, 2020
(Electronic) Receipt
Search/Exam
May 20, 2020
Filing of the translations of the claims
Search/Exam
May 20, 2020
French translation of claims
Search/Exam
May 20, 2020
German translation of the claims
Search/Exam
May 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2020
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Intention to grant (signatures)
Search/Exam
Feb 7, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 7, 2020
Jan 27, 2020
Dec 19, 2019
(Electronic) Receipt
Search/Exam
Dec 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2019
Oct 29, 2019
Advice of delivery
Search/Exam
Oct 4, 2019
Advice of delivery
Search/Exam
Oct 1, 2019
Acknowledgement of a document
Search/Exam
Oct 1, 2019
Annex to the communication
Search/Exam
Oct 1, 2019
Summons to attend oral proceedings
Search/Exam
Oct 1, 2019
Sep 24, 2019
Observations by third parties
Search/Exam
Sep 24, 2019
Patent document filed by a Third party
Search/Exam
Jun 6, 2019
(Electronic) Receipt
Search/Exam
Jun 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2019
Apr 18, 2019
Apr 10, 2019
Observations by third parties
Search/Exam
Apr 10, 2019
Patent document filed by a Third party
Search/Exam
Apr 9, 2019
Annex to the communication
Search/Exam
Apr 9, 2019
Communication from the Examining Division
Search/Exam
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Amended description with annotations
Search/Exam
Dec 5, 2018
Claims
Search/Exam
Dec 5, 2018
Description
Search/Exam
Dec 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
Aug 24, 2018
Annex to the communication
Search/Exam
Aug 24, 2018
Communication from the Examining Division
Search/Exam
Aug 23, 2018
Aug 20, 2018
Examination started
Search/Exam
Aug 10, 2018
Non-patent literature filed by a third party
Search/Exam
Aug 10, 2018
Observations by third parties
Search/Exam
Aug 10, 2018
Patent document filed by a Third party
Search/Exam
Aug 10, 2018
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
Aug 10, 2018
Patent document filed by a Third party
Search/Exam
Apr 20, 2018
(Electronic) Receipt
Search/Exam
Apr 20, 2018
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Amendments received before examination
Search/Exam
Apr 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
Sep 20, 2017
Refund of fees
Search/Exam
Sep 13, 2017
Sep 13, 2017
European search opinion
Search/Exam
Sep 13, 2017
European search report
Search/Exam
Sep 13, 2017
Information on Search Strategy
Search/Exam
Sep 1, 2017
Search started
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
May 30, 2017
Abstract
Search/Exam
May 30, 2017
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Claims
Search/Exam
May 30, 2017
Description
Search/Exam
May 30, 2017
Designation of inventor
Search/Exam
May 30, 2017
Drawings
Search/Exam
May 30, 2017
Request for grant of a European patent
Search/Exam
Jan 28, 2016