The weekly litigation news digest is live. Subscribe now
The patent EP3130649 was granted to Daikin Industries on Nov 27, 2024. The application was filed on Aug 10, 2015 under application number EP15190792A. 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 |
|---|---|---|---|
| MEXICHEM FLUOR DE CV | Aug 26, 2025 | POTTER CLARKSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2009126803 |
| DESCRIPTION | JP2012500182 |
| DESCRIPTION | WO2005103187 |
| OPPOSITION | EP2223906 |
| OPPOSITION | EP2799415 |
| OPPOSITION | JP2012500182 |
| OPPOSITION | US2011052585 |
| OPPOSITION | US2012065437 |
| OPPOSITION | US2013099154 |
| OPPOSITION | US2013105724 |
| OPPOSITION | US2014070129 |
| OPPOSITION | WO2013099856 |
| OTHER | US2013099154 |
| OTHER | US2014070129 |
| OTHER | US2014305161 |
| SEARCH | US2011144216 |
| SEARCH | US2012068105 |
| SEARCH | US2012255316 |
| SEARCH | US2013099154 |
| SEARCH | US2014070129 |
| SEARCH | US2014305161 |
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
Get instant alerts for new documents
Dec 11, 2025
Dec 11, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Sep 10, 2025
Sep 10, 2025
Sep 1, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Dec 10, 2024
Oct 31, 2024
Decision to grant a European patent
Search/Exam
Oct 23, 2024
Change to the inventor details
Search/Exam
Oct 1, 2024
(Electronic) Receipt
Search/Exam
Oct 1, 2024
Filing of the translations of the claims
Search/Exam
Oct 1, 2024
French translation of claims
Search/Exam
Oct 1, 2024
German translation of the claims
Search/Exam
Oct 1, 2024
Letter accompanying subsequently filed items
Search/Exam
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Intention to grant (signatures)
Search/Exam
Jun 25, 2024
Text intended for grant (clean copy)
Search/Exam
Jun 25, 2024
May 28, 2024
(Electronic) Receipt
Search/Exam
May 28, 2024
Letter accompanying subsequently filed items
Search/Exam
May 28, 2024
Apr 4, 2024
Mar 28, 2024
(Electronic) Receipt
Search/Exam
Mar 28, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2024
Nov 28, 2023
Annex to the communication
Search/Exam
Nov 28, 2023
Communication from the Examining Division
Search/Exam
Oct 20, 2023
(Electronic) Receipt
Search/Exam
Oct 20, 2023
Amended claims with annotations
Search/Exam
Oct 20, 2023
Amended description with annotations
Search/Exam
Oct 20, 2023
Claims
Search/Exam
Oct 20, 2023
Description
Search/Exam
Oct 20, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2023
Oct 20, 2023
Jul 3, 2023
Annex to the communication
Search/Exam
Jul 3, 2023
Communication from the Examining Division
Search/Exam
Mar 13, 2023
(Electronic) Receipt
Search/Exam
Mar 13, 2023
Amended claims with annotations
Search/Exam
Mar 13, 2023
Amended description with annotations
Search/Exam
Mar 13, 2023
Claims
Search/Exam
Mar 13, 2023
Description
Search/Exam
Mar 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2023
Dec 19, 2022
Dec 7, 2022
Annexes in respect of a client data request
Search/Exam
Dec 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2022
Dec 7, 2022
Nov 14, 2022
Annex to the communication
Search/Exam
Nov 14, 2022
Communication from the Examining Division
Search/Exam
Aug 8, 2022
(Electronic) Receipt
Search/Exam
Aug 8, 2022
Amended description with annotations
Search/Exam
Aug 8, 2022
Claims
Search/Exam
Aug 8, 2022
Description
Search/Exam
Aug 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2022
Apr 7, 2022
Annex to the communication
Search/Exam
Apr 7, 2022
Communication from the Examining Division
Search/Exam
Feb 3, 2020
Jan 22, 2020
Observations by third parties
Search/Exam
Nov 25, 2019
(Electronic) Receipt
Search/Exam
Nov 25, 2019
Amended claims with annotations
Search/Exam
Nov 25, 2019
Amended description with annotations
Search/Exam
Nov 25, 2019
Claims
Search/Exam
Nov 25, 2019
Description
Search/Exam
Nov 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2019
Jul 15, 2019
Annex to the communication
Search/Exam
Jul 15, 2019
Communication from the Examining Division
Search/Exam
Feb 5, 2019
Jan 25, 2019
Observations by third parties
Search/Exam
Oct 15, 2018
(Electronic) Receipt
Search/Exam
Oct 15, 2018
Amended claims with annotations
Search/Exam
Oct 15, 2018
Amended description with annotations
Search/Exam
Oct 15, 2018
Claims
Search/Exam
Oct 15, 2018
Description
Search/Exam
Oct 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2018
Oct 15, 2018
Jun 20, 2018
Annex to the communication
Search/Exam
Jun 20, 2018
Communication from the Examining Division
Search/Exam
Jun 14, 2018
Examination started
Search/Exam
Apr 17, 2018
Apr 6, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 6, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 6, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 6, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 6, 2018
Observations by third parties
Search/Exam
Aug 16, 2017
(Electronic) Receipt
Search/Exam
Aug 16, 2017
Aug 16, 2017
Amended claims with annotations
Search/Exam
Aug 16, 2017
Amendments received before examination
Search/Exam
Aug 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2017
Correction to A-publication
Search/Exam
Feb 23, 2017
(Electronic) Receipt
Search/Exam
Feb 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2017
(Electronic) Receipt
Search/Exam
Feb 22, 2017
Request for correction
Search/Exam
Feb 20, 2017
Jan 18, 2017
Notification of forthcoming publication
Search/Exam
Nov 7, 2016
Nov 7, 2016
European search opinion
Search/Exam
Nov 7, 2016
European search report
Search/Exam
Nov 7, 2016
Information on Search Strategy
Search/Exam
Oct 20, 2016
Search started
Search/Exam
Jun 10, 2016
(Electronic) Receipt
Search/Exam
Jun 10, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2016
Matter concerning the application
Search/Exam
Apr 13, 2016
Extension of time limit granted
Search/Exam
Apr 1, 2016
Matter concerning the application
Search/Exam
Apr 1, 2016
Feb 10, 2016
Dec 14, 2015
Communication to designated inventor
Search/Exam
Dec 14, 2015
Communication to designated inventor
Search/Exam
Dec 14, 2015
Communication to designated inventor
Search/Exam
Oct 21, 2015
Abstract
Search/Exam
Oct 21, 2015
Oct 21, 2015
Claims
Search/Exam
Oct 21, 2015
Description
Search/Exam
Oct 21, 2015
Designation of inventor
Search/Exam
Oct 21, 2015
Request for grant of a European patent
Search/Exam