Haloolefin-Based Composition

Patent No. EP3130649 (titled "Haloolefin-Based Composition") was filed by Daikin Industries on Aug 10, 2015. The application was issued on Nov 27, 2024.

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
MEXICHEM FLUOR DE CV	Aug 26, 2025	POTTER CLARKSON

Dossier Documents

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 11, 2025
Brief communication - Opposition proceedings
Dec 11, 2025
Grant of extension of time limit (opposition procedure)
Dec 3, 2025
(Electronic) Receipt
Dec 3, 2025
Letter accompanying subsequently filed items
Dec 3, 2025
Request for extension of time limit
Sep 10, 2025
Communication of a notice of opposition and request to file observations
Sep 10, 2025
Notice of further oppositions to opponent(s)
Sep 1, 2025
Communication of a notice of opposition - first information to patent proprietor
Aug 26, 2025
(Electronic) Receipt
Aug 26, 2025
Citation in opposition procedure - 001
Aug 26, 2025
Citation in opposition procedure - 001
Aug 26, 2025
Citation in opposition procedure - 002
Aug 26, 2025
Citation in opposition procedure - 003
Aug 26, 2025
Citation in opposition procedure - 003
Aug 26, 2025
Citation in opposition procedure - 004
Aug 26, 2025
Citation in opposition procedure - 005
Aug 26, 2025
Citation in opposition procedure - 006
Aug 26, 2025
Citation in opposition procedure - 007
Aug 26, 2025
Citation in opposition procedure - 008
Aug 26, 2025
Citation in opposition procedure - 009
Aug 26, 2025
Consolidated list of cited opposition documents
Aug 26, 2025
Letter regarding the opposition procedure (no time limit)
Aug 26, 2025
Notice of opposition
Aug 26, 2025
Notice of opposition
Dec 10, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 31, 2024
Decision to grant a European patent
Oct 23, 2024
Change to the inventor details
Oct 1, 2024
(Electronic) Receipt
Oct 1, 2024
Filing of the translations of the claims
Oct 1, 2024
French translation of claims
Oct 1, 2024
German translation of the claims
Oct 1, 2024
Letter accompanying subsequently filed items
Jun 25, 2024
Annex to the communication about intention to grant a European patent
Jun 25, 2024
Bibliographic data of the European patent application
Jun 25, 2024
Communication about intention to grant a European patent
Jun 25, 2024
Intention to grant (signatures)
Jun 25, 2024
Text intended for grant (clean copy)
Jun 25, 2024
Text intended for grant (version for approval)
May 28, 2024
(Electronic) Receipt
May 28, 2024
Letter accompanying subsequently filed items
May 28, 2024
Reply to communication from the Examining Division
Apr 4, 2024
Grant of extension of time limit (examination procedure)
Mar 28, 2024
(Electronic) Receipt
Mar 28, 2024
Letter accompanying subsequently filed items
Mar 28, 2024
Request for extension of time limit to communication from the Examining Division
Nov 28, 2023
Annex to the communication
Nov 28, 2023
Communication from the Examining Division
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
Amended claims with annotations
Oct 20, 2023
Amended description with annotations
Oct 20, 2023
Claims
Oct 20, 2023
Description
Oct 20, 2023
Letter accompanying subsequently filed items
Oct 20, 2023
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Oct 20, 2023
Reply to communication from the Examining Division
Jul 3, 2023
Annex to the communication
Jul 3, 2023
Communication from the Examining Division
Mar 13, 2023
(Electronic) Receipt
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended description with annotations
Mar 13, 2023
Claims
Mar 13, 2023
Description
Mar 13, 2023
Letter accompanying subsequently filed items
Mar 13, 2023
Reply to communication from the Examining Division
Dec 19, 2022
Communication of the registration of a transfer or change of name and/or address
Dec 7, 2022
Annexes in respect of a client data request
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Submission concerning change of applicant's address
Dec 7, 2022
Submission concerning change of applicant's address
Nov 14, 2022
Annex to the communication
Nov 14, 2022
Communication from the Examining Division
Aug 8, 2022
(Electronic) Receipt
Aug 8, 2022
Amended description with annotations
Aug 8, 2022
Claims
Aug 8, 2022
Description
Aug 8, 2022
Letter accompanying subsequently filed items
Aug 8, 2022
Reply to communication from the Examining Division
Apr 7, 2022
Annex to the communication
Apr 7, 2022
Communication from the Examining Division
Feb 3, 2020
Transmittal of third party observations to applicant
Jan 22, 2020
Observations by third parties
Nov 25, 2019
(Electronic) Receipt
Nov 25, 2019
Amended claims with annotations
Nov 25, 2019
Amended description with annotations
Nov 25, 2019
Claims
Nov 25, 2019
Description
Nov 25, 2019
Letter accompanying subsequently filed items
Nov 25, 2019
Reply to communication from the Examining Division
Jul 15, 2019
Annex to the communication
Jul 15, 2019
Communication from the Examining Division
Feb 5, 2019
Transmittal of third party observations to applicant
Jan 25, 2019
Observations by third parties
Oct 15, 2018
(Electronic) Receipt
Oct 15, 2018
Amended claims with annotations
Oct 15, 2018
Amended description with annotations
Oct 15, 2018
Claims
Oct 15, 2018
Description
Oct 15, 2018
Letter accompanying subsequently filed items
Oct 15, 2018
Non-patent literature cited during the examination procedure
Oct 15, 2018
Reply to communication from the Examining Division
Jun 20, 2018
Annex to the communication
Jun 20, 2018
Communication from the Examining Division
Jun 14, 2018
Examination started
Apr 17, 2018
Transmittal of third party observations to applicant
Apr 6, 2018
Non-patent literature filed by a third party
Apr 6, 2018
Non-patent literature filed by a third party
Apr 6, 2018
Non-patent literature filed by a third party
Apr 6, 2018
Non-patent literature filed by a third party
Apr 6, 2018
Observations by third parties
Aug 16, 2017
(Electronic) Receipt
Aug 16, 2017
Amended claims filed after receipt of (European) search report
Aug 16, 2017
Amended claims with annotations
Aug 16, 2017
Amendments received before examination
Aug 16, 2017
Letter accompanying subsequently filed items
Mar 2, 2017
Correction to A-publication
Feb 23, 2017
(Electronic) Receipt
Feb 23, 2017
Letter accompanying subsequently filed items
Feb 22, 2017
(Electronic) Receipt
Feb 22, 2017
Request for correction
Feb 20, 2017
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 18, 2017
Notification of forthcoming publication
Nov 7, 2016
Communication regarding the transmission of the European search report
Nov 7, 2016
European search opinion
Nov 7, 2016
European search report
Nov 7, 2016
Information on Search Strategy
Oct 20, 2016
Search started
Jun 10, 2016
(Electronic) Receipt
Jun 10, 2016
Letter accompanying subsequently filed items
Jun 10, 2016
Matter concerning the application
Apr 13, 2016
Extension of time limit granted
Apr 1, 2016
Matter concerning the application
Apr 1, 2016
Priority document (electronically transmitted)
Feb 10, 2016
Communication for party to proceedings/third party
Dec 14, 2015
Communication to designated inventor
Dec 14, 2015
Communication to designated inventor
Dec 14, 2015
Communication to designated inventor
Oct 21, 2015
Abstract
Oct 21, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 21, 2015
Claims
Oct 21, 2015
Description
Oct 21, 2015
Designation of inventor
Oct 21, 2015
Request for grant of a European patent

EP3130649

DAIKIN INDUSTRIES

Application Number: EP15190792A
Filing Date: Aug 10, 2015
Status: Granted And Under Opposition; Oct 25, 2024
Publication Date: Nov 27, 2024
External Links: Slate, Register , Google Patents

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Haloolefin-Based Composition

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Dossier Documents

EP3130649