Process For Purifying (Hydro) Fluoroalkenes

Patent No. EP3159328 (titled "Process For Purifying (Hydro) Fluoroalkenes") was filed by Mexichem Fluor DE CV on Oct 8, 2010. The application was issued on May 16, 2018.

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 15, 2019	HEINEMANN

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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Mar 6, 2023
Advice of delivery
Mar 6, 2023
Termination of the opposition proceedings with revocation of patent
Mar 2, 2023
Decision of the Board of Appeal
Mar 2, 2023
F3032 Notification(s) of the decision
Mar 2, 2023
F3032 Notification(s) of the decision
Dec 20, 2022
Document concerning representation
Dec 5, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 5, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 5, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 2, 2022
Advice of delivery
Nov 2, 2022
F3345 Forwarding of submissions to parties
Oct 27, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 27, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 27, 2022
F3345 Forwarding of submissions to parties
Oct 27, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 26, 2022
F3345 Forwarding of submissions to parties
Oct 25, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 24, 2022
(Electronic) Receipt
Oct 24, 2022
Letter accompanying subsequently filed items
Oct 24, 2022
Letter dealing with oral proceedings during the appeal procedure
Aug 25, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 25, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 28, 2022
F3345 Forwarding of submissions to parties
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Letter relating to Appeal Procedure
Apr 14, 2022
Advice of delivery
Apr 13, 2022
Communication about missing proof of delivery
Mar 10, 2022
F3011.1 Oral Proceedings: summons
Mar 10, 2022
F3011.1 Oral Proceedings: summons
Mar 7, 2022
F3010 Oral proceedings: order for summons
Jan 21, 2022
F3345 Forwarding of submissions to parties
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Letter relating to Appeal Procedure
Nov 15, 2021
F3345 Forwarding of submissions to parties
Nov 9, 2021
(Electronic) Receipt
Nov 9, 2021
Citation in appeal procedure - 011
Nov 9, 2021
Letter accompanying subsequently filed items
Nov 9, 2021
Letter relating to Appeal Procedure
May 7, 2021
Composition of the board (T)
Feb 26, 2021
F3345 Forwarding of submissions to parties
Feb 23, 2021
(Electronic) Receipt
Feb 23, 2021
Amended claims with annotations
Feb 23, 2021
Annexes (other than cited documents) regarding appeal procedure
Feb 23, 2021
Claims
Feb 23, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Reply to appeal
Nov 2, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 27, 2020
(Electronic) Receipt
Oct 27, 2020
Letter accompanying subsequently filed items
Oct 27, 2020
Non-Patent Literature cited during the appeal procedure
Oct 27, 2020
Non-Patent Literature cited during the appeal procedure
Oct 27, 2020
Statement of grounds of appeal
Sep 2, 2020
F3204 Communication of the file number to the parties
Sep 2, 2020
F3204 Communication of the file number to the parties
Aug 21, 2020
(Electronic) Receipt
Aug 21, 2020
Letter accompanying subsequently filed items
Aug 21, 2020
Notice of appeal
Jul 1, 2020
Advice of delivery
Jul 1, 2020
Advice of delivery
Jun 25, 2020
Acknowledgement of a document
Jun 25, 2020
Acknowledgement of a document
Jun 25, 2020
Decision of the Opposition Division and instruction
Jun 25, 2020
Decision rejecting the opposition
Jun 25, 2020
Grounds for the decision (Annex) - opposition
Jun 25, 2020
Internal form - Opposition/addressees
Jun 25, 2020
Means of redress
Jun 8, 2020
Advice of delivery
Jun 4, 2020
Notification concerning the date of oral proceedings
Jun 4, 2020
Notification concerning the date of oral proceedings
May 27, 2020
Brief communication - Opposition proceedings
May 19, 2020
(Electronic) Receipt
May 19, 2020
Letter accompanying subsequently filed items
May 19, 2020
Oral proceedings: Request for postponement
Apr 30, 2020
Brief communication - Opposition proceedings
Apr 30, 2020
Brief communication - Opposition proceedings
Apr 24, 2020
(Electronic) Receipt
Apr 24, 2020
(Electronic) Receipt
Apr 24, 2020
Letter accompanying subsequently filed items
Apr 24, 2020
Letter accompanying subsequently filed items
Apr 24, 2020
Written submission in preparation to/during oral proceedings
Apr 24, 2020
Written submission in preparation to/during oral proceedings
Nov 12, 2019
Advice of delivery
Nov 12, 2019
Cover sheet for fax transmission
Nov 11, 2019
Advice of delivery
Nov 6, 2019
Acknowledgement of a document
Nov 6, 2019
Acknowledgement of a document
Nov 6, 2019
Annex to the communication - opposition
Nov 6, 2019
Information concerning oral proceedings
Nov 6, 2019
Summons to attend oral proceedings
Nov 6, 2019
Summons to attend oral proceedings
Jul 1, 2019
Brief communication - Opposition proceedings
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Amended claims with annotations
Jun 25, 2019
Amended claims with annotations
Jun 25, 2019
Amended claims with annotations
Jun 25, 2019
Claims
Jun 25, 2019
Claims
Jun 25, 2019
Claims
Jun 25, 2019
Letter accompanying subsequently filed items
Jun 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Communication of a notice of opposition and request to file observations
Mar 1, 2019
Notice of further oppositions to opponent(s)
Feb 27, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 15, 2019
(Electronic) Receipt
Feb 15, 2019
Notice of opposition
Feb 15, 2019
Notice of opposition
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Patent document cited during the opposition procedure
Feb 15, 2019
Translation of the evidence during Opposition procedure
Feb 15, 2019
Translation of the evidence during Opposition procedure
Dec 14, 2018
Submission concerning representation
May 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 19, 2018
Decision to grant a European patent
Apr 9, 2018
Bibliographic data of the European patent application
Apr 9, 2018
Information about intention to grant a patent
Apr 9, 2018
Intention to grant (signatures)
Apr 9, 2018
Text intended for grant (clean copy)
Apr 9, 2018
Text intended for grant (version for approval)
Apr 3, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 22, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 21, 2018
(Electronic) Receipt
Mar 21, 2018
Amended description with annotations
Mar 21, 2018
Description
Mar 21, 2018
French translation of claims
Mar 21, 2018
German translation of the claims
Mar 21, 2018
Letter accompanying subsequently filed items
Mar 21, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 22, 2017
Bibliographic data of the European patent application
Nov 22, 2017
Communication about intention to grant a European patent
Nov 22, 2017
Intention to grant (signatures)
Nov 22, 2017
Text intended for grant (clean copy)
Nov 22, 2017
Text intended for grant (version for approval)
Jul 20, 2017
(Electronic) Receipt
Jul 20, 2017
Amended claims with annotations
Jul 20, 2017
Claims
Jul 20, 2017
Description
Jul 20, 2017
Description
Jul 20, 2017
Letter accompanying subsequently filed items
Jul 20, 2017
Reply to communication from the Examining Division
May 17, 2017
Annex to the communication
May 17, 2017
Communication from the Examining Division
May 3, 2017
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Mar 29, 2017
Communication regarding the transmission of the European search report
Mar 29, 2017
European search report
Mar 29, 2017
Information on Search Strategy
Mar 29, 2017
Notification of forthcoming publication
Mar 13, 2017
Search started
Feb 10, 2017
Communication to designated inventor
Feb 10, 2017
Communication to designated inventor
Feb 10, 2017
Communication to designated inventor
Dec 19, 2016
Abstract
Dec 19, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 19, 2016
Claims
Dec 19, 2016
Description
Dec 19, 2016
Designation of inventor
Dec 19, 2016
Matter concerning the application
Dec 19, 2016
Request for grant of a European patent
May 11, 2011
Priority document (electronically transmitted)

EP3159328

MEXICHEM FLUOR DE CV

Application Number: EP16205166A
Filing Date: Oct 8, 2010
Status: Revoked; Mar 6, 2023
Publication Date: May 16, 2018
External Links: Slate, Register , Google Patents

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Process For Purifying (Hydro) Fluoroalkenes

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Dossier Documents

EP3159328