Heat Transfer Method

Patent No. EP2475737 (titled "Heat Transfer Method") was filed by Arkema France on Aug 18, 2010. The application was issued on Aug 13, 2025.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
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

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
Apr 28, 2025
Communication of bibliographic data
Apr 28, 2025
Communication to opponent concerning maintenance
Apr 28, 2025
Communication with request to file translations
Apr 17, 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 15, 2025
Brief communication - Opposition proceedings
Jan 15, 2025
Brief communication - Opposition proceedings
Jan 15, 2025
Druckexemplar in opposition procedure
Jan 15, 2025
Grounds for the decision (Annex) - opposition
Jan 15, 2025
Interlocutory decision in opposition proceedings
Jan 15, 2025
Interlocutory decision in opposition proceedings
Jan 15, 2025
Means of redress
Jan 13, 2025
Decision of the Opposition Division and instruction
Jan 23, 2024
Letter accompanying subsequently filed items
Jan 10, 2024
Letter accompanying subsequently filed items
Nov 6, 2023
Brief communication - Opposition proceedings
Nov 6, 2023
Communication of amended entries
Oct 24, 2023
Letter accompanying subsequently filed items
Oct 24, 2023
Request for change of opponent's representative
Oct 23, 2023
Annex to the communication - opposition
Oct 23, 2023
Brief communication - Opposition proceedings
Oct 23, 2023
Brief communication - Opposition proceedings
Oct 23, 2023
Communication inviting the parties to file observations
Oct 23, 2023
Communication inviting the parties to file observations
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 19, 2023
Annex to the communication - opposition
Jan 19, 2023
Brief communication - Opposition proceedings
Jan 19, 2023
Brief communication - Opposition proceedings
Jan 19, 2023
Communication inviting the parties to file observations
Jan 19, 2023
Communication inviting the parties to file observations
Jun 30, 2022
Advice of delivery
Jun 29, 2022
Communication about missing proof of delivery
Jun 3, 2022
Decision of the Board of Appeal
Jun 3, 2022
Decision of the Board of Appeal
Jun 3, 2022
F3032 Notification(s) of the decision
Jun 3, 2022
F3032 Notification(s) of the decision
Mar 31, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 31, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 31, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 31, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 18, 2022
F3345 Forwarding of submissions to parties
Mar 17, 2022
(Electronic) Receipt
Mar 17, 2022
Advice of delivery
Mar 17, 2022
Annexes (other than cited documents) regarding appeal procedure
Mar 17, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 14, 2022
F3018 Oral proceedings: Confirmation interpreters
Mar 14, 2022
F3018 Oral proceedings: Confirmation interpreters
Mar 11, 2022
(Electronic) Receipt
Mar 11, 2022
Oral proceedings: reply to date proposed
Mar 10, 2022
Oral proceedings: change of venue
Mar 10, 2022
Oral proceedings: change of venue
Feb 23, 2022
F3345 Forwarding of submissions to parties
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Letter accompanying subsequently filed items
Feb 18, 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 5, 2022
F3303.16 Change of composition of the Board (T)
Jan 4, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Citation in appeal procedure - 011
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Letter dealing with oral proceedings during the appeal 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 20, 2021
Advice of delivery
Sep 14, 2021
F3011.1 Oral Proceedings: summons
Sep 14, 2021
F3011.1 Oral Proceedings: summons
Sep 9, 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
Nov 20, 2019
F3345 Forwarding of submissions to parties
Nov 14, 2019
Letter relating to Appeal Procedure
Nov 14, 2019
Non-Patent Literature cited during the appeal procedure
Aug 20, 2019
Composition of the board (T)
Jul 5, 2019
F3345 Forwarding of submissions to parties
Jul 1, 2019
(Electronic) Receipt
Jul 1, 2019
Claims
Jul 1, 2019
Letter accompanying subsequently filed items
Jul 1, 2019
Reply to appeal
Mar 1, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 25, 2019
Statement of grounds of appeal
Feb 18, 2019
Advice of delivery
Jan 3, 2019
F3204 Communication of the file number to the parties
Dec 19, 2018
Processing of an appeal
Dec 18, 2018
(Electronic) Receipt
Dec 18, 2018
Letter accompanying subsequently filed items
Dec 18, 2018
Notice of appeal
Nov 19, 2018
Advice of delivery
Nov 2, 2018
Advice of delivery
Oct 30, 2018
Advice of delivery
Oct 23, 2018
Acknowledgement of a document
Oct 23, 2018
Acknowledgement of a document
Oct 23, 2018
Annex to the communication - opposition
Oct 23, 2018
Decision of the Opposition Division and instruction
Oct 23, 2018
Decision rejecting the opposition
Oct 23, 2018
Grounds for the decision (Annex) - opposition
Oct 23, 2018
Internal form - Opposition/addressees
Oct 23, 2018
Internal form - Opposition/addressees
Oct 23, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 23, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 23, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 23, 2018
Provision of a copy of the minutes - opposition procedure
Sep 25, 2018
Information about the result of oral proceedings
Aug 27, 2018
Brief communication - Opposition proceedings
Aug 24, 2018
Brief communication - Opposition proceedings
Aug 22, 2018
(Electronic) Receipt
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Claims
Aug 22, 2018
Written submission in preparation to/during oral proceedings
Aug 22, 2018
Written submission in preparation to/during oral proceedings
Aug 16, 2018
Letter regarding the opposition procedure (no time limit)
Aug 16, 2018
Non-patent literature cited during the opposition procedure
Jul 24, 2018
Brief communication - Opposition proceedings
Jul 17, 2018
Request for interpreters during oral proceedings
Jul 13, 2018
Brief communication - Opposition proceedings
Jul 10, 2018
(Electronic) Receipt
Jul 10, 2018
Request for interpreters during oral proceedings
Jan 25, 2018
Advice of delivery
Jan 16, 2018
Advice of delivery
Jan 3, 2018
Advice of delivery
Jan 2, 2018
Advice of delivery
Dec 29, 2017
Advice of delivery
Dec 21, 2017
Acknowledgement of a document
Dec 21, 2017
Acknowledgement of a document
Dec 21, 2017
Brief communication - Opposition proceedings
Dec 21, 2017
Information concerning oral proceedings
Dec 21, 2017
Information concerning oral proceedings
Dec 21, 2017
Notification concerning the date of oral proceedings
Dec 21, 2017
Notification concerning the date of oral proceedings
Dec 21, 2017
Summons to attend oral proceedings
Dec 21, 2017
Summons to attend oral proceedings
Dec 18, 2017
Information about the result of oral proceedings
Dec 7, 2017
Letter regarding the opposition procedure (no time limit)
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 7, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Letter which had not been notified
Nov 30, 2017
Advice of delivery
Nov 28, 2017
Advice of delivery
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
Information concerning oral proceedings
Nov 24, 2017
Preparation for 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 20, 2017
(Electronic) Receipt
Jul 20, 2017
Letter accompanying subsequently filed items
Jul 20, 2017
Reply of the patent proprietor to the notice(s) of opposition
Apr 21, 2017
Brief communication - Opposition proceedings
Apr 13, 2017
(Electronic) Receipt
Apr 13, 2017
Letter accompanying subsequently filed items
Apr 13, 2017
Submission concerning change of applicant's representative
Apr 11, 2017
Brief communication - Opposition proceedings
Apr 11, 2017
Communication of amended entries concerning the representative
Apr 5, 2017
(Electronic) Receipt
Apr 5, 2017
Letter accompanying subsequently filed items
Apr 5, 2017
Submission concerning change of applicant's representative
Mar 24, 2017
Communication of a notice of opposition and request to file observations
Mar 24, 2017
Notice of further oppositions to opponent(s)
Mar 1, 2017
Communication of a notice of opposition - first information to patent proprietor
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 18, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2016
Decision to grant a European patent
Apr 4, 2016
(Electronic) Receipt
Apr 4, 2016
English translation of the claims
Apr 4, 2016
Filing of the translations of the claims
Apr 4, 2016
German translation of the claims
Apr 4, 2016
Letter accompanying subsequently filed items
Feb 18, 2016
Bibliographic data of the European patent application
Feb 18, 2016
Communication about intention to grant a European patent
Feb 18, 2016
Intention to grant (signatures)
Feb 18, 2016
Text intended for grant
Aug 19, 2013
(Electronic) Receipt
Aug 19, 2013
Description
Aug 19, 2013
Letter accompanying subsequently filed items
Aug 19, 2013
Reply to communication from the Examining Division
May 16, 2013
Annex to the communication
May 16, 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 regarding comments on 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
Feb 4, 2011
Written opinion of the ISA, boxes No. I to VIII
Feb 4, 2011
Written opinion of the ISA, cover sheet
Feb 4, 2011
Written opinion of the ISA, supplemental box
Oct 7, 2010
Submission concerning representation
Aug 18, 2010
Abstract
Aug 18, 2010
Claims
Aug 18, 2010
Description

EP2475737

ARKEMA FRANCE

Application Number: EP10762992A
Filing Date: Aug 18, 2010
Status: Patent Maintained As Amended; Jul 11, 2025
Publication Date: Aug 13, 2025
External Links: Slate, Register , Google Patents

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Heat Transfer Method

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2475737