Heat Transfer Compositions

Patent No. EP2571953 (titled "Heat Transfer Compositions") was filed by Mexichem Amanco Holding DE CV on May 20, 2011. The application was issued on Jul 22, 2015.

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
HONEYWELL	Apr 22, 2016	CROOKS

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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Apr 17, 2019
Refund of fees
Apr 12, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 12, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 10, 2019
Termination of the opposition proceedings with maintenance of patent
Apr 5, 2019
F3345 Forwarding of submissions to parties
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Withdrawal of an appeal
Nov 9, 2018
Composition of the board (T)
Jul 18, 2018
F3345 Forwarding of submissions to parties
Jul 12, 2018
(Electronic) Receipt
Jul 12, 2018
Annexes (other than cited documents) regarding appeal procedure
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Claims
Jul 12, 2018
Letter accompanying subsequently filed items
Jul 12, 2018
Reply to appeal
Mar 6, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 1, 2018
(Electronic) Receipt
Mar 1, 2018
Letter accompanying subsequently filed items
Mar 1, 2018
Non-Patent Literature cited during the appeal procedure
Mar 1, 2018
Patent Document cited during the appeal procedure
Mar 1, 2018
Patent Document cited during the appeal procedure
Mar 1, 2018
Patent Document cited during the appeal procedure
Mar 1, 2018
Patent Document cited during the appeal procedure
Mar 1, 2018
Statement of grounds of appeal
Jan 5, 2018
F3204 Communication of the file number to the parties
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
Letter accompanying subsequently filed items
Dec 22, 2017
Notice of appeal
Dec 22, 2017
Processing of an appeal
Nov 24, 2017
Advice of delivery
Nov 1, 2017
Advice of delivery
Oct 27, 2017
Advice of delivery
Oct 27, 2017
Cover sheet for fax transmission
Oct 23, 2017
Acknowledgement of a document
Oct 23, 2017
Acknowledgement of a document
Oct 23, 2017
Annex to the communication - opposition
Oct 23, 2017
Decision of the Opposition Division and instruction
Oct 23, 2017
Decision rejecting the opposition
Oct 23, 2017
Grounds for the decision (Annex) - opposition
Oct 23, 2017
Internal form - Opposition/addressees
Oct 23, 2017
Internal form - Opposition/addressees
Oct 23, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 23, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 23, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 23, 2017
Provision of a copy of the minutes - opposition procedure
Oct 10, 2017
Information about the result of oral proceedings
Sep 26, 2017
Brief communication - Opposition proceedings
Sep 26, 2017
Communication of amended entries
Sep 15, 2017
Brief communication - Opposition proceedings
Sep 14, 2017
Request concerning representative opponent
Sep 11, 2017
(Electronic) Receipt
Sep 11, 2017
Citation in opposition procedure
Sep 11, 2017
Letter accompanying subsequently filed items
Sep 11, 2017
Letter regarding the opposition procedure (no time limit)
Sep 11, 2017
Patent document cited during the opposition procedure
Aug 16, 2017
Brief communication - Opposition proceedings
Aug 10, 2017
(Electronic) Receipt
Aug 10, 2017
Letter accompanying subsequently filed items
Aug 10, 2017
Letter regarding the opposition procedure (no time limit)
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 8, 2017
(Electronic) Receipt
Aug 8, 2017
Letter accompanying subsequently filed items
Aug 8, 2017
Request for interpreters during oral proceedings
Mar 9, 2017
Advice of delivery
Feb 17, 2017
Advice of delivery
Feb 10, 2017
Advice of delivery
Jan 20, 2017
Acknowledgement of a document
Jan 20, 2017
Acknowledgement of a document
Jan 20, 2017
Annex to the communication - opposition
Jan 20, 2017
Information concerning oral proceedings
Jan 20, 2017
Preparation for oral proceedings
Jan 20, 2017
Summons to attend oral proceedings
Jan 20, 2017
Summons to attend oral proceedings
Oct 21, 2016
Brief communication - Opposition proceedings
Oct 11, 2016
(Electronic) Receipt
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Claims
Oct 11, 2016
Letter accompanying subsequently filed items
Oct 11, 2016
Non-patent literature cited during the opposition procedure
Oct 11, 2016
Non-patent literature cited during the opposition procedure
Oct 11, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jun 2, 2016
Communication of a notice of opposition and request to file observations
Jun 2, 2016
Notice of further oppositions to opponent(s)
May 9, 2016
Communication of a notice of opposition - first information to patent proprietor
Apr 22, 2016
(Electronic) Receipt
Apr 22, 2016
Any annexes (other than citation) to an opposition letter
Apr 22, 2016
Citation in opposition procedure
Apr 22, 2016
Letter regarding the opposition procedure (no time limit)
Apr 22, 2016
Notice of opposition
Apr 22, 2016
Notice of opposition
Apr 22, 2016
Patent document cited during the opposition procedure
Apr 22, 2016
Patent document cited during the opposition procedure
Apr 22, 2016
Patent document cited during the opposition procedure
Apr 22, 2016
Patent document cited during the opposition procedure
Apr 22, 2016
Patent document cited during the opposition procedure
Jul 23, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 25, 2015
Decision to grant a European patent
Jun 11, 2015
(Electronic) Receipt
Jun 11, 2015
Filing of the translations of the claims
Jun 11, 2015
French translation of claims
Jun 11, 2015
German translation of the claims
Jun 11, 2015
Letter accompanying subsequently filed items
May 7, 2015
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2015
Annexes in respect of a client data request
Apr 4, 2015
Submission concerning a transfer of rights (applicant)
Feb 11, 2015
Bibliographic data of the European patent application
Feb 11, 2015
Communication about intention to grant a European patent
Feb 11, 2015
Intention to grant (signatures)
Feb 11, 2015
Text intended for grant
Feb 5, 2014
Amended description with annotations
Feb 5, 2014
Description
Feb 5, 2014
Reply to communication from the Examining Division
Feb 3, 2014
Amended description with annotations
Feb 3, 2014
Amended description with annotations
Feb 3, 2014
Description
Feb 3, 2014
Reply to communication from the Examining Division
Sep 24, 2013
Annex to the communication
Sep 24, 2013
Communication from the Examining Division
Sep 17, 2013
Examination started
Aug 8, 2013
Communication of amended entries concerning the representative
Aug 2, 2013
Submission concerning change of applicant's representative
Jul 31, 2013
Submission concerning change of applicant's representative
Jul 18, 2013
Amended claims filed after receipt of (European) search report
Jul 18, 2013
Amended claims with annotations
Jul 18, 2013
Amendments received before examination
Jul 17, 2013
Amended claims filed after receipt of (European) search report
Jul 17, 2013
Amended claims with annotations
Jul 17, 2013
Amendments received before examination
Jul 17, 2013
Cover sheet for fax transmission
Feb 27, 2013
Notification on forthcoming publication of bibliographic data
Jan 18, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 9, 2013
Communication to designated inventor
Dec 19, 2012
(Electronic) Receipt
Dec 19, 2012
Amended claims filed after receipt of (European) search report
Dec 19, 2012
Matter concerning the application
Dec 19, 2012
Request for entry into the European phase
Dec 5, 2012
Copy of the international preliminary report on patentability
Sep 28, 2012
Information on entry into European phase
Mar 8, 2012
Copy of the international search report
Mar 8, 2012
International publication of the international search report
Jan 20, 2012
Written opinion of the ISA, boxes No. I to VIII
Jan 20, 2012
Written opinion of the ISA, cover sheet
Jan 20, 2012
Written opinion of the ISA, supplemental box
Dec 12, 2011
Priority document (electronically transmitted)
Dec 12, 2011
Priority document (electronically transmitted)
Dec 12, 2011
Priority document (electronically transmitted)
Dec 12, 2011
Priority document (electronically transmitted)
Nov 24, 2011
Published international application - A2

EP2571953

MEXICHEM AMANCO HOLDING DE CV

Application Number: EP11728908A
Filing Date: May 20, 2011
Status: Opposition Rejected; Apr 12, 2019
Publication Date: Jul 22, 2015
External Links: Slate, Register , Google Patents

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Heat Transfer Compositions

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Dossier Documents

EP2571953