Heat Transfer Fluid

Patent No. EP2331651 (titled "Heat Transfer Fluid") was filed by Arkema France on Sep 24, 2009. The application was issued on Feb 21, 2018.

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	Nov 21, 2018	DANNENBERGER

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 8, 2020
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jul 8, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 5, 2020
Termination of the opposition proceedings with maintenance of patent
Feb 10, 2020
Advice of delivery
Feb 7, 2020
Advice of delivery
Feb 5, 2020
Acknowledgement of a document
Feb 5, 2020
Acknowledgement of a document
Feb 5, 2020
Decision of the Opposition Division and instruction
Feb 5, 2020
Decision rejecting the opposition
Feb 5, 2020
Grounds for the decision (Annex) - opposition
Feb 5, 2020
Internal form - Opposition/addressees
Feb 5, 2020
Means of redress
Feb 5, 2020
Scanned annex to a communication - opposition procedure
Jan 27, 2020
Notification concerning the date of oral proceedings
Jan 27, 2020
Notification concerning the date of oral proceedings
Jan 21, 2020
Brief communication - Opposition proceedings
Jan 13, 2020
(Electronic) Receipt
Jan 13, 2020
Letter accompanying subsequently filed items
Jan 13, 2020
Written submission in preparation to/during oral proceedings
Jan 2, 2020
Brief communication - Opposition proceedings
Dec 18, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Request for interpreters during oral proceedings
Dec 11, 2019
Written submission in preparation to/during oral proceedings
Dec 10, 2019
(Electronic) Receipt
Dec 10, 2019
Auxiliary request during Opposition procedure - 01
Dec 10, 2019
Auxiliary request during Opposition procedure - 02
Dec 10, 2019
Auxiliary request during Opposition procedure - 03
Dec 10, 2019
Auxiliary request during Opposition procedure - 04
Dec 10, 2019
Auxiliary request during Opposition procedure - 05
Dec 10, 2019
Auxiliary request during Opposition procedure - 06
Dec 10, 2019
Auxiliary request during Opposition procedure - 07
Dec 10, 2019
Auxiliary request during Opposition procedure - 08
Dec 10, 2019
Auxiliary request during Opposition procedure - 09
Dec 10, 2019
Auxiliary request during Opposition procedure - 10
Dec 10, 2019
Letter accompanying subsequently filed items
Dec 10, 2019
Written submission in preparation to/during oral proceedings
Aug 1, 2019
Advice of delivery
Aug 1, 2019
Advice of delivery
Jul 17, 2019
Advice of delivery
Jul 10, 2019
Advice of delivery
Jul 9, 2019
Advice of delivery
Jul 5, 2019
Acknowledgement of a document
Jul 5, 2019
Acknowledgement of a document
Jul 5, 2019
Information concerning oral proceedings
Jul 5, 2019
Summons to attend oral proceedings
Jul 5, 2019
Summons to attend oral proceedings
Jun 28, 2019
Notification concerning the date of oral proceedings
Jun 28, 2019
Notification concerning the date of oral proceedings
Jun 27, 2019
Advice of delivery
Jun 25, 2019
Information about the result of oral proceedings
Jun 24, 2019
Brief communication - Opposition proceedings
Jun 18, 2019
(Electronic) Receipt
Jun 18, 2019
Any annexes (other than citation) to an opposition letter
Jun 18, 2019
Letter accompanying subsequently filed items
Jun 18, 2019
Written submission in preparation to/during oral proceedings
Jun 12, 2019
Advice of delivery
Jun 11, 2019
Advice of delivery
Jun 6, 2019
Acknowledgement of a document
Jun 6, 2019
Acknowledgement of a document
Jun 6, 2019
Annex to the communication - opposition
Jun 6, 2019
Information concerning oral proceedings
Jun 6, 2019
Information concerning oral proceedings
Jun 6, 2019
Summons to attend oral proceedings
Jun 6, 2019
Summons to attend oral proceedings
Apr 16, 2019
Brief communication - Opposition proceedings
Apr 10, 2019
(Electronic) Receipt
Apr 10, 2019
Letter accompanying subsequently filed items
Apr 10, 2019
Non-patent literature cited during the opposition procedure
Apr 10, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 15, 2019
Brief communication - Opposition proceedings
Jan 15, 2019
Communication confirming withdrawal from representation
Jan 15, 2019
Communication of amended entries concerning the representative
Dec 21, 2018
(Electronic) Receipt
Dec 21, 2018
(Electronic) Receipt
Dec 21, 2018
Letter accompanying subsequently filed items
Dec 21, 2018
Letter accompanying subsequently filed items
Dec 21, 2018
Submission concerning change of proprietor's representative
Dec 21, 2018
Submission concerning change of proprietor's representative
Dec 11, 2018
Communication of a notice of opposition and request to file observations
Dec 11, 2018
Notice of further oppositions to opponent(s)
Nov 29, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Notice of opposition
Nov 21, 2018
Notice of opposition
Nov 21, 2018
Patent document cited during the opposition procedure
Nov 21, 2018
Patent document cited during the opposition procedure
Nov 21, 2018
Patent document cited during the opposition procedure
Nov 21, 2018
Patent document cited during the opposition procedure
Nov 21, 2018
Patent document cited during the opposition procedure
Mar 9, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 25, 2018
Decision to grant a European patent
Jan 5, 2018
(Electronic) Receipt
Jan 5, 2018
English translation of the claims
Jan 5, 2018
Filing of the translations of the claims
Jan 5, 2018
German translation of the claims
Jan 5, 2018
Letter accompanying subsequently filed items
Nov 27, 2017
Annex to the communication about intention to grant a European patent
Nov 27, 2017
Bibliographic data of the European patent application
Nov 27, 2017
Communication about intention to grant a European patent
Nov 27, 2017
Intention to grant (signatures)
Nov 27, 2017
Text intended for grant (clean copy)
Nov 27, 2017
Text intended for grant (version for approval)
Nov 22, 2017
Submission concerning representation
Nov 2, 2017
Notification concerning the date of oral proceedings
Oct 20, 2017
(Electronic) Receipt
Oct 20, 2017
Amended description with annotations
Oct 20, 2017
Description
Oct 20, 2017
Letter accompanying subsequently filed items
Oct 20, 2017
Written submission in preparation to/during oral proceedings
Oct 16, 2017
(Electronic) Receipt
Oct 16, 2017
Amended claims with annotations
Oct 16, 2017
Annex
Oct 16, 2017
Claims
Oct 16, 2017
Letter accompanying subsequently filed items
Oct 16, 2017
Non-patent literature cited during the examination procedure
Oct 16, 2017
Written submission in preparation to/during oral proceedings
Sep 15, 2017
(Electronic) Receipt
Sep 15, 2017
Amended claims with annotations
Sep 15, 2017
Claims
Sep 15, 2017
Letter accompanying subsequently filed items
Sep 15, 2017
Written submission in preparation to/during oral proceedings
Apr 6, 2017
Advice of delivery
Apr 6, 2017
Advice of delivery
Mar 30, 2017
Acknowledgement of a document
Mar 30, 2017
Annex to the communication
Mar 30, 2017
Preparation for oral proceedings
Mar 30, 2017
Summons to attend oral proceedings
May 25, 2016
Decision to allow further processing
May 3, 2016
(Electronic) Receipt
May 3, 2016
Amended claims with annotations
May 3, 2016
Claims
May 3, 2016
Letter accompanying subsequently filed items
May 3, 2016
Reply to communication from the Examining Division
Mar 3, 2016
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Nov 23, 2015
Grant of extension of time limit (examination procedure)
Nov 16, 2015
(Electronic) Receipt
Nov 16, 2015
Letter accompanying subsequently filed items
Nov 16, 2015
Request for extension of time limit to communication from the Examining Division
Jul 24, 2015
Annex to the communication
Jul 24, 2015
Communication from the Examining Division
Jul 17, 2015
CDS Clean up - amended applicant details
Apr 10, 2014
Transmittal of third party observations to applicant
Apr 1, 2014
Observations by third parties
Jan 23, 2013
(Electronic) Receipt
Jan 23, 2013
Letter accompanying subsequently filed items
Jan 23, 2013
Reply to communication from the Examining Division
Dec 6, 2012
Grant of extension of time limit (examination procedure)
Dec 3, 2012
(Electronic) Receipt
Dec 3, 2012
Letter accompanying subsequently filed items
Dec 3, 2012
Request for extension of time limit to communication from the Examining Division
Aug 8, 2012
Annex to the communication
Aug 8, 2012
Communication from the Examining Division
Nov 22, 2011
(Electronic) Receipt
Nov 22, 2011
Amended claims filed after receipt of (European) search report
Nov 22, 2011
Amendments received before examination
Nov 22, 2011
Letter accompanying subsequently filed items
Jul 22, 2011
(Electronic) Receipt
Jul 22, 2011
Letter accompanying subsequently filed items
Jul 22, 2011
Letter concerning the inventor
Jul 19, 2011
Invitation to indicate correct address of inventor
Jun 30, 2011
Letter which had not been notified
May 20, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 18, 2011
Notification on forthcoming publication of bibliographic data
Apr 28, 2011
Copy of the international preliminary report on patentability
Mar 2, 2011
(Electronic) Receipt
Mar 2, 2011
Request for entry into the European phase
Feb 18, 2011
Information on entry into European phase
May 6, 2010
Priority document (electronically transmitted)
May 6, 2010
Priority document (electronically transmitted)
Apr 15, 2010
Copy of the international search report
Apr 15, 2010
Copy of the international search report
Apr 15, 2010
Published international application - A1
Jan 29, 2010
Written opinion of the ISA, boxes No. I to VIII
Jan 29, 2010
Written opinion of the ISA, cover sheet
Jan 29, 2010
Written opinion of the ISA, supplemental box
Nov 20, 2009
Submission concerning representation
Sep 24, 2009
Abstract
Sep 24, 2009
Claims
Sep 24, 2009
Description

EP2331651

ARKEMA FRANCE

Application Number: EP09759757A
Filing Date: Sep 24, 2009
Status: Opposition Rejected; Jul 10, 2020
Publication Date: Feb 21, 2018
External Links: Slate, Register , Google Patents

IP Verse

Heat Transfer Fluid

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2331651