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1,3,3,3-Tetraflurorpropene Process Azeotropes With Hf

Patent No. EP2611762 (titled "1,3,3,3-Tetraflurorpropene Process Azeotropes With Hf") was filed by Honeywell on Aug 25, 2011. The application was issued on Nov 29, 2017.

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
ARKEMA FRANCE	Aug 29, 2018	LECA

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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May 22, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 22, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 17, 2019
Termination of the opposition proceedings with revocation of patent
Feb 22, 2019
Advice of delivery
Feb 20, 2019
Advice of delivery
Feb 18, 2019
Advice of delivery
Feb 6, 2019
Acknowledgement of a document
Feb 6, 2019
Acknowledgement of a document
Feb 6, 2019
Decision revoking the European patent
Feb 6, 2019
Decision revoking the European patent
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 25, 2019
Request for revocation of patent
Sep 19, 2018
Communication of a notice of opposition and request to file observations
Sep 19, 2018
Notice of further oppositions to opponent(s)
Sep 7, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
Notice of opposition
Aug 29, 2018
Notice of opposition
Aug 29, 2018
Patent document cited during the opposition procedure
Aug 29, 2018
Patent document cited during the opposition procedure
Jan 3, 2018
Communication of amended entries concerning the representative
Dec 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 6, 2017
Decision to grant a European patent
Oct 20, 2017
(Electronic) Receipt
Oct 20, 2017
Filing of the translations of the claims
Oct 20, 2017
French translation of claims
Oct 20, 2017
German translation of the claims
Oct 20, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Submission concerning representation
Jun 27, 2017
Bibliographic data of the European patent application
Jun 27, 2017
Communication about intention to grant a European patent
Jun 27, 2017
Text intended for grant (clean copy)
Jun 27, 2017
Text intended for grant (version for approval)
Jun 26, 2017
Intention to grant (signatures)
May 8, 2017
(Electronic) Receipt
May 8, 2017
Amended description with annotations
May 8, 2017
Description
May 8, 2017
Letter accompanying subsequently filed items
May 8, 2017
Reply to communication from the Examining Division
Mar 9, 2017
Grant of extension of time limit (examination procedure)
Mar 3, 2017
(Electronic) Receipt
Mar 3, 2017
Letter accompanying subsequently filed items
Mar 3, 2017
Request for extension of time limit to communication from the Examining Division
Oct 28, 2016
Annex to the communication
Oct 28, 2016
Communication from the Examining Division
Nov 11, 2015
Communication of the registration of a transfer or change of name and/or address
Nov 3, 2015
Submission concerning change of applicant's representative
Jul 7, 2015
Amended claims with annotations
Jul 7, 2015
Claims
Jul 7, 2015
Reply to communication from the Examining Division
Feb 25, 2015
Annex to the communication
Feb 25, 2015
Communication from the Examining Division
Jun 18, 2014
CDS Clean up - amended applicant details
Jun 11, 2014
(Electronic) Receipt
Jun 11, 2014
Amended claims with annotations
Jun 11, 2014
Claims
Jun 11, 2014
Letter accompanying subsequently filed items
Jun 11, 2014
Reply to communication from the Examining Division
Mar 4, 2014
Communication of amended entries concerning the representative
Feb 26, 2014
Submission concerning change of applicant's representative
Feb 5, 2014
Annex to the communication
Feb 5, 2014
Communication from the Examining Division
Dec 20, 2013
(Electronic) Receipt
Dec 20, 2013
Letter accompanying subsequently filed items
Dec 20, 2013
Submission concerning representation
Dec 16, 2013
Communication regarding the transmission of the European search report
Dec 16, 2013
Supplementary European search report
Dec 4, 2013
Search started
Jun 12, 2013
Notification on forthcoming publication of bibliographic data
Apr 10, 2013
Communication regarding possible amendment of the application/payment of claims fee
Apr 8, 2013
Communication to designated inventor
Apr 8, 2013
Communication to designated inventor
Apr 8, 2013
Communication to designated inventor
Apr 8, 2013
Communication to designated inventor
Apr 8, 2013
Communication to designated inventor
Apr 8, 2013
Communication to designated inventor
Mar 19, 2013
Copy of the international preliminary report on patentability
Feb 25, 2013
(Electronic) Receipt
Feb 25, 2013
Request for entry into the European phase
Jan 11, 2013
Information on entry into European phase
May 31, 2012
Copy of the international search report
May 31, 2012
International publication of the international search report
May 11, 2012
Priority document (electronically transmitted)
Mar 8, 2012
Published international application - A2

EP2611762

HONEYWELL

Application Number: EP11822378A
Filing Date: Aug 25, 2011
Status: Revoked; May 24, 2019
Publication Date: Nov 29, 2017
External Links: Slate, EP2611762B1, Google Patents

IP Verse

1,3,3,3-Tetraflurorpropene Process Azeotropes With Hf

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2611762