Low-Temperature And Average-Temperature Refrigeration

Patent No. EP2475735 (titled "Low-Temperature And Average-Temperature Refrigeration") was filed by Arkema France on Aug 17, 2010. The application was issued on Aug 13, 2025.

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
DAIKIN INDUSTRIES	Feb 24, 2017	HOFFMANN EITLE
THE CHEMOURS FC	Feb 17, 2017	ABITZ & PARTNER

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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Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 10, 2025
(Electronic) Receipt
Jul 10, 2025
English translation of the claims
Jul 10, 2025
Filing of the translation of the amended claims
Jul 10, 2025
German translation of the claims
Jul 10, 2025
Letter accompanying subsequently filed items
May 8, 2025
Communication of bibliographic data
May 8, 2025
Communication to opponent concerning maintenance
May 8, 2025
Communication to opponent concerning maintenance
May 8, 2025
Communication with request to file translations
Apr 29, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 7, 2025
Communication of the registration of a transfer or change of name and/or address
Apr 1, 2025
Letter accompanying subsequently filed items
Apr 1, 2025
Submission concerning change of applicant's address
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
Decision of the Opposition Division and instruction
Jan 27, 2025
Druckexemplar in opposition procedure
Jan 27, 2025
Grounds for the decision (Annex) - opposition
Jan 27, 2025
Interlocutory decision in opposition proceedings
Jan 27, 2025
Interlocutory decision in opposition proceedings
Jan 27, 2025
Interlocutory decision in opposition proceedings
Jan 27, 2025
Means of redress
Jan 23, 2024
Letter accompanying subsequently filed items
Jan 10, 2024
Letter accompanying subsequently filed items
Nov 2, 2023
Brief communication - Opposition proceedings
Nov 2, 2023
Brief communication - Opposition proceedings
Nov 2, 2023
Communication of amended entries
Oct 24, 2023
Letter accompanying subsequently filed items
Oct 24, 2023
Request for change of opponent's representative
Oct 9, 2023
Brief communication - Opposition proceedings
Oct 9, 2023
Brief communication - Opposition proceedings
Oct 9, 2023
Brief communication - Opposition proceedings
Oct 9, 2023
Communication inviting the parties to file observations
Oct 9, 2023
Communication inviting the parties to file observations
Oct 9, 2023
Communication inviting the parties to file observations
Apr 28, 2023
Brief communication - Opposition proceedings
Apr 28, 2023
Brief communication - Opposition proceedings
Apr 21, 2023
(Electronic) Receipt
Apr 21, 2023
Amended description with annotations
Apr 21, 2023
Letter accompanying subsequently filed items
Apr 21, 2023
Reply to an examination report in opposition proceedings
Jan 3, 2023
Annex to the communication - opposition
Jan 3, 2023
Brief communication - Opposition proceedings
Jan 3, 2023
Brief communication - Opposition proceedings
Jan 3, 2023
Brief communication - Opposition proceedings
Jan 3, 2023
Communication inviting the parties to file observations
Jan 3, 2023
Communication inviting the parties to file observations
Jan 3, 2023
Communication inviting the parties to file observations
Aug 10, 2022
Advice of delivery
Aug 9, 2022
Communication about missing proof of delivery
Jul 7, 2022
Decision of the Board of Appeal
Jul 7, 2022
Decision of the Board of Appeal
Jul 7, 2022
F3032 Notification(s) of the decision
Jul 7, 2022
F3032 Notification(s) of the decision
Jul 7, 2022
F3032 Notification(s) of the decision
Mar 14, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 14, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 14, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 14, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 14, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 11, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 11, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 11, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 11, 2022
F3345 Forwarding of submissions to parties
Feb 11, 2022
F3345 Forwarding of submissions to parties
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Annexes (other than cited documents) regarding appeal procedure
Feb 8, 2022
Letter accompanying subsequently filed items
Feb 8, 2022
Letter dealing with oral proceedings during the appeal procedure
Feb 4, 2022
F3345 Forwarding of submissions to parties
Feb 4, 2022
F3345 Forwarding of submissions to parties
Feb 1, 2022
(Electronic) Receipt
Feb 1, 2022
Letter accompanying subsequently filed items
Feb 1, 2022
Request for interpreters during oral proceedings
Jan 17, 2022
F3022 Oral proceedings: change of board composition
Jan 17, 2022
F3022 Oral proceedings: change of board composition
Jan 17, 2022
F3022 Oral proceedings: change of board composition
Jan 5, 2022
F3303.16 Change of composition of the Board (T)
Jan 4, 2022
F3345 Forwarding of submissions to parties
Jan 4, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Letter dealing with oral proceedings during the appeal procedure
Dec 22, 2021
Main request during Opposition procedure
Sep 22, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 22, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 22, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 20, 2021
Advice of delivery
Sep 16, 2021
Advice of delivery
Sep 15, 2021
F3011.2 Oral Proceedings: Summons VICO
Sep 15, 2021
F3011.2 Oral Proceedings: Summons VICO
Sep 15, 2021
F3011.2 Oral Proceedings: Summons VICO
Sep 10, 2021
F3010 Oral proceedings: order for summons
Feb 18, 2020
F3345 Forwarding of submissions to parties
Feb 12, 2020
(Electronic) Receipt
Feb 12, 2020
Letter accompanying subsequently filed items
Feb 12, 2020
Request for oral proceedings
Oct 4, 2019
F3345 Forwarding of submissions to parties
Sep 24, 2019
Letter relating to Appeal Procedure
Sep 24, 2019
Non-Patent Literature cited during the appeal procedure
Aug 20, 2019
Composition of the board (T)
May 14, 2019
F3345 Forwarding of submissions to parties
May 3, 2019
(Electronic) Receipt
May 3, 2019
Amended claims with annotations
May 3, 2019
Letter accompanying subsequently filed items
May 3, 2019
Reply to appeal
Jan 18, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 18, 2019
F3345 Forwarding of submissions to parties
Jan 18, 2019
F3345 Forwarding of submissions to parties
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Non-Patent Literature cited during the appeal procedure
Jan 9, 2019
Non-Patent Literature cited during the appeal procedure
Jan 9, 2019
Statement of grounds of appeal
Jan 9, 2019
Statement of grounds of appeal
Nov 20, 2018
F3204 Communication of the file number to the parties
Nov 12, 2018
F3204 Communication of the file number to the parties
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Letter accompanying subsequently filed items
Nov 9, 2018
Notice of appeal
Nov 6, 2018
Processing of an appeal
Nov 5, 2018
(Electronic) Receipt
Nov 5, 2018
Letter accompanying subsequently filed items
Nov 5, 2018
Notice of appeal
Nov 1, 2018
Advice of delivery
Oct 11, 2018
Advice of delivery
Sep 21, 2018
Advice of delivery
Sep 3, 2018
Advice of delivery
Sep 3, 2018
Advice of delivery
Sep 3, 2018
Advice of delivery
Aug 30, 2018
Acknowledgement of a document
Aug 30, 2018
Acknowledgement of a document
Aug 30, 2018
Annex to the communication - opposition
Aug 30, 2018
Decision of the Opposition Division and instruction
Aug 30, 2018
Decision rejecting the opposition
Aug 30, 2018
Grounds for the decision (Annex) - opposition
Aug 30, 2018
Internal form - Opposition/addressees
Aug 30, 2018
Internal form - Opposition/addressees
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 30, 2018
Provision of a copy of the minutes - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Jul 12, 2018
Information about the result of oral proceedings
May 28, 2018
Brief communication - Opposition proceedings
May 28, 2018
Brief communication - Opposition proceedings
May 23, 2018
(Electronic) Receipt
May 23, 2018
Letter accompanying subsequently filed items
May 23, 2018
Letter regarding the opposition procedure (no time limit)
May 22, 2018
Brief communication - Opposition proceedings
May 22, 2018
Brief communication - Opposition proceedings
May 18, 2018
Brief communication - Opposition proceedings
May 18, 2018
Brief communication - Opposition proceedings
May 16, 2018
(Electronic) Receipt
May 16, 2018
Brief communication - Opposition proceedings
May 16, 2018
Brief communication - Opposition proceedings
May 16, 2018
Brief communication - Opposition proceedings
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Request for interpreters during oral proceedings
May 11, 2018
(Electronic) Receipt
May 11, 2018
Letter accompanying subsequently filed items
May 11, 2018
Letter regarding the opposition procedure (no time limit)
May 10, 2018
(Electronic) Receipt
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Auxiliary request during Opposition procedure
May 10, 2018
Letter accompanying subsequently filed items
May 10, 2018
Letter regarding the opposition procedure (no time limit)
May 9, 2018
Any annexes (other than citation) to an opposition letter
May 9, 2018
Any annexes (other than citation) to an opposition letter
May 9, 2018
Letter regarding the opposition procedure (no time limit)
May 9, 2018
Letter regarding the opposition procedure (no time limit)
Jan 25, 2018
Advice of delivery
Jan 23, 2018
Advice of delivery
Jan 9, 2018
Advice of delivery
Jan 3, 2018
Advice of delivery
Jan 2, 2018
Advice of delivery
Dec 27, 2017
Advice of delivery
Dec 27, 2017
Advice of delivery
Dec 21, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Dec 20, 2017
Acknowledgement of a document
Dec 20, 2017
Acknowledgement of a document
Dec 20, 2017
Acknowledgement of a document
Dec 20, 2017
Advice of delivery
Dec 20, 2017
Summons to attend oral proceedings
Dec 20, 2017
Summons to attend oral proceedings
Dec 20, 2017
Summons to attend oral proceedings
Dec 19, 2017
Notification concerning the date of oral proceedings
Dec 19, 2017
Notification concerning the date of oral proceedings
Dec 19, 2017
Notification concerning the date of oral proceedings
Dec 13, 2017
Brief communication - Opposition proceedings
Dec 13, 2017
Brief communication - Opposition proceedings
Dec 12, 2017
Information about the result of oral proceedings
Dec 11, 2017
Advice of delivery
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 7, 2017
Oral proceedings: Request for postponement
Nov 30, 2017
Advice of delivery
Nov 28, 2017
Advice of delivery
Nov 27, 2017
Advice of delivery
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Annex to the communication - opposition
Nov 24, 2017
Information concerning oral proceedings
Nov 24, 2017
Preparation for oral proceedings
Nov 24, 2017
Scanned annex to a communication - opposition procedure
Nov 24, 2017
Summons to attend oral proceedings
Nov 24, 2017
Summons to attend oral proceedings
Nov 24, 2017
Summons to attend oral proceedings
Jul 26, 2017
Brief communication - Opposition proceedings
Jul 26, 2017
Brief communication - Opposition proceedings
Jul 20, 2017
(Electronic) Receipt
Jul 20, 2017
Any annexes (other than citation) to an opposition letter
Jul 20, 2017
Letter accompanying subsequently filed items
Jul 20, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 8, 2017
Brief communication - Opposition proceedings
May 8, 2017
Brief communication - Opposition proceedings
May 8, 2017
Communication confirming withdrawal from representation
May 8, 2017
Communication of amended entries concerning the representative
Apr 27, 2017
(Electronic) Receipt
Apr 27, 2017
Letter accompanying subsequently filed items (CDR)
Apr 27, 2017
Submission concerning change of proprietor's representative
Apr 18, 2017
(Electronic) Receipt
Apr 18, 2017
Letter accompanying subsequently filed items
Apr 18, 2017
Submission concerning change of proprietor's representative
Apr 4, 2017
Communication of a notice of opposition and request to file observations
Apr 4, 2017
Notice of further oppositions to opponent(s)
Apr 4, 2017
Notice of further oppositions to opponent(s)
Mar 14, 2017
Communication of a notice of opposition - first information to patent proprietor
Mar 3, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Non-patent literature cited during the opposition procedure
Feb 24, 2017
Notice of opposition
Feb 24, 2017
Notice of opposition
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Patent document cited during the opposition procedure
Feb 24, 2017
Payment of fees and costs
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Notice of opposition
Feb 17, 2017
Notice of opposition
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Payment of fees and costs
May 25, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 29, 2016
Decision to grant a European patent
Apr 12, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 23, 2016
Acknowledgement of receipt of third party observations
Mar 22, 2016
(Electronic) Receipt
Mar 22, 2016
English translation of the claims
Mar 22, 2016
Filing of the translations of the claims
Mar 22, 2016
German translation of the claims
Mar 22, 2016
Letter accompanying subsequently filed items
Mar 21, 2016
Transmittal of third party observations to applicant
Mar 18, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 15, 2016
Bibliographic data of the European patent application
Mar 15, 2016
Communication about intention to grant a European patent
Mar 15, 2016
Intention to grant (signatures)
Mar 15, 2016
Text intended for grant (clean copy)
Mar 15, 2016
Text intended for grant (version for approval)
Mar 13, 2016
(Electronic) Receipt
Mar 13, 2016
Citation filed by a third party
Mar 13, 2016
Letter accompanying subsequently filed items
Mar 13, 2016
Non-patent literature filed by a third party
Mar 13, 2016
Non-patent literature filed by a third party
Mar 13, 2016
Observations by third parties
Mar 13, 2016
Patent document filed by a Third party
Mar 13, 2016
Patent document filed by a Third party
Mar 13, 2016
Patent document filed by a Third party
Mar 11, 2016
Transmittal of third party observations to applicant
Mar 10, 2016
Brief communication to applicant/representative
Mar 10, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 7, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 1, 2016
Bibliographic data of the European patent application
Mar 1, 2016
Communication about intention to grant a European patent
Mar 1, 2016
Intention to grant (signatures)
Mar 1, 2016
Text intended for grant (clean copy)
Mar 1, 2016
Text intended for grant (version for approval)
Feb 29, 2016
Non-patent literature filed by a third party
Feb 29, 2016
Non-patent literature filed by a third party
Feb 29, 2016
Observations by third parties
Nov 28, 2013
(Electronic) Receipt
Nov 28, 2013
Description
Nov 28, 2013
Letter accompanying subsequently filed items
Nov 28, 2013
Reply to communication from the Examining Division
Oct 10, 2013
Grant of extension of time limit (examination procedure)
Oct 3, 2013
(Electronic) Receipt
Oct 3, 2013
Letter accompanying subsequently filed items
Oct 3, 2013
Request for extension of time limit to communication from the Examining Division
Jun 10, 2013
Annex to the communication
Jun 10, 2013
Communication from the Examining Division
Oct 30, 2012
(Electronic) Receipt
Oct 30, 2012
Letter accompanying subsequently filed items
Oct 30, 2012
Reply to Written Opinion prepared by the EPO
Jun 20, 2012
Notification on forthcoming publication of bibliographic data
May 11, 2012
Copy of the international preliminary report on patentability
May 9, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 26, 2012
Copy of the international preliminary report on patentability
Feb 9, 2012
(Electronic) Receipt
Feb 9, 2012
Request for entry into the European phase
Jan 20, 2012
Information on entry into European phase
Apr 7, 2011
Priority document (electronically transmitted)
Mar 17, 2011
Copy of the international search report
Mar 17, 2011
Copy of the international search report
Mar 17, 2011
Published international application - A1
Jan 24, 2011
Written opinion of the ISA, boxes No. I to VIII
Jan 24, 2011
Written opinion of the ISA, cover sheet
Jan 24, 2011
Written opinion of the ISA, supplemental box
Oct 7, 2010
Submission concerning representation
Aug 17, 2010
Abstract
Aug 17, 2010
Claims
Aug 17, 2010
Description

EP2475735

ARKEMA FRANCE

Application Number: EP10762990A
Filing Date: Aug 17, 2010
Status: Patent Maintained As Amended; Jul 11, 2025
Publication Date: Aug 13, 2025
External Links: Slate, Register , Google Patents

IP Verse

Low-Temperature And Average-Temperature Refrigeration

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2475735