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Azeotropic Or Azeotrope-Like Composition And Process For Producing 2,3,3,3-Tetrafluoropropene

Patent No. EP2326613 (titled "Azeotropic Or Azeotrope-Like Composition And Process For Producing 2,3,3,3-Tetrafluoropropene") was filed by Daikin Industries on Aug 21, 2009. The application was issued on Oct 10, 2018.

Patent Summary

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Patent Oppositions

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	Jul 10, 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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Oct 26, 2022
Refund of fees
Oct 24, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 24, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 20, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 6, 2022
(Electronic) Receipt
Oct 6, 2022
Letter regarding the opposition procedure (no time limit)
Oct 6, 2022
Withdrawal of an appeal
Apr 11, 2022
F3345 Forwarding of submissions to parties
Apr 6, 2022
(Electronic) Receipt
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Amended claims with annotations
Apr 6, 2022
Auxiliary request during appeals procedure - 01
Apr 6, 2022
Auxiliary request during appeals procedure - 02
Apr 6, 2022
Auxiliary request during appeals procedure - 03
Apr 6, 2022
Auxiliary request during appeals procedure - 04
Apr 6, 2022
Auxiliary request during appeals procedure - 05
Apr 6, 2022
Auxiliary request during appeals procedure - 06
Apr 6, 2022
Letter accompanying subsequently filed items
Apr 6, 2022
Reply to appeal
Nov 26, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Citation in appeal procedure - 008
Nov 22, 2021
Citation in appeal procedure - 012
Nov 22, 2021
Citation in appeal procedure - 013
Nov 22, 2021
Citation in appeal procedure - 014
Nov 22, 2021
Citation in appeal procedure - 015
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Statement of grounds of appeal
Sep 30, 2021
F3345 Forwarding of submissions to parties
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Letter relating to Appeal Procedure
Sep 23, 2021
F3204 Communication of the file number to the parties
Sep 23, 2021
F3204 Communication of the file number to the parties
Sep 16, 2021
(Electronic) Receipt
Sep 16, 2021
Letter accompanying subsequently filed items
Sep 16, 2021
Notice of appeal
Jul 23, 2021
Advice of delivery
Jul 19, 2021
Advice of delivery
Jul 16, 2021
Annex to the communication - opposition
Jul 16, 2021
Decision of the Opposition Division and instruction
Jul 16, 2021
Decision rejecting the opposition
Jul 16, 2021
Decision rejecting the opposition
Jul 16, 2021
Grounds for the decision (Annex) - opposition
Jul 16, 2021
Means of redress
Jul 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 16, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 16, 2021
Provision of a copy of the minutes - opposition procedure
Jul 16, 2021
Provision of a copy of the minutes - opposition procedure
Jul 16, 2021
Transmittal of decision / summons - opposition
Jul 16, 2021
Transmittal of decision / summons - opposition
Jun 28, 2021
Information about the result of oral proceedings
May 4, 2021
Brief communication - Opposition proceedings
Apr 30, 2021
Brief communication - Opposition proceedings
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Citation in opposition procedure - 010
Apr 28, 2021
Citation in opposition procedure - 011
Apr 28, 2021
Consolidated list of cited opposition documents
Apr 28, 2021
Letter accompanying subsequently filed items
Apr 28, 2021
Request for interpreters during oral proceedings
Apr 28, 2021
Written submission in preparation to/during oral proceedings
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Letter accompanying subsequently filed items
Apr 26, 2021
Request for interpreters during oral proceedings
Feb 8, 2021
Notification concerning the date of oral proceedings
Feb 8, 2021
Notification concerning the date of oral proceedings
Oct 13, 2020
Advice of delivery
Oct 13, 2020
Advice of delivery
Oct 6, 2020
Acknowledgement of a document
Oct 6, 2020
Acknowledgement of a document
Oct 6, 2020
Annex to the communication - opposition
Oct 6, 2020
Information concerning oral proceedings
Oct 6, 2020
Summons to attend oral proceedings
Oct 6, 2020
Summons to attend oral proceedings
Sep 24, 2020
Oral proceedings: reply to date proposed
Sep 24, 2020
Oral proceedings: reply to date proposed
Sep 24, 2020
Oral proceedings: reply to date proposed
Sep 17, 2020
Oral proceedings: reply to date proposed
Aug 27, 2020
Advice of delivery
Aug 25, 2020
Notification concerning the date of oral proceedings
Aug 25, 2020
Notification concerning the date of oral proceedings
Aug 19, 2020
Oral proceedings: reply to date proposed
Aug 3, 2020
Oral proceedings: reply to date proposed
Jul 29, 2020
Brief communication - Opposition proceedings
Jul 28, 2020
Brief communication - Opposition proceedings
Jul 24, 2020
(Electronic) Receipt
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure - 03
Jul 24, 2020
Auxiliary request during Opposition procedure - 04
Jul 24, 2020
Auxiliary request during Opposition procedure - 05
Jul 24, 2020
Auxiliary request during Opposition procedure - 06
Jul 24, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
(Electronic) Receipt
Jul 23, 2020
Citation in opposition procedure - 008
Jul 23, 2020
Citation in opposition procedure - 009
Jul 23, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
Written submission in preparation to/during oral proceedings
Jul 17, 2020
Notification concerning the date of oral proceedings
Jul 17, 2020
Notification concerning the date of oral proceedings
Feb 11, 2020
Advice of delivery
Feb 11, 2020
Advice of delivery
Feb 10, 2020
Acknowledgement of a document
Feb 10, 2020
Acknowledgement of a document
Feb 10, 2020
Annex to the communication - opposition
Feb 10, 2020
Information concerning oral proceedings
Feb 10, 2020
Summons to attend oral proceedings
Feb 10, 2020
Summons to attend oral proceedings
Dec 5, 2019
Brief communication - Opposition proceedings
Dec 2, 2019
(Electronic) Receipt
Dec 2, 2019
Amended claims with annotations
Dec 2, 2019
Amended claims with annotations
Dec 2, 2019
Amended claims with annotations
Dec 2, 2019
Amended claims with annotations
Dec 2, 2019
Amended claims with annotations
Dec 2, 2019
Claims
Dec 2, 2019
Claims
Dec 2, 2019
Claims
Dec 2, 2019
Claims
Dec 2, 2019
Claims
Dec 2, 2019
Letter accompanying subsequently filed items
Dec 2, 2019
Reply of the patent proprietor to the notice(s) of opposition
Sep 26, 2019
Brief communication - Opposition proceedings
Sep 20, 2019
(Electronic) Receipt
Sep 20, 2019
Letter accompanying subsequently filed items
Sep 20, 2019
Letter regarding the opposition procedure (no time limit)
Jul 22, 2019
Communication of a notice of opposition and request to file observations
Jul 22, 2019
Notice of further oppositions to opponent(s)
Jul 15, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 10, 2019
(Electronic) Receipt
Jul 10, 2019
Citation in opposition procedure - 001
Jul 10, 2019
Citation in opposition procedure - 002
Jul 10, 2019
Citation in opposition procedure - 003
Jul 10, 2019
Citation in opposition procedure - 004
Jul 10, 2019
Citation in opposition procedure - 005
Jul 10, 2019
Citation in opposition procedure - 006
Jul 10, 2019
Citation in opposition procedure - 007
Jul 10, 2019
Notice of opposition
Jul 10, 2019
Notice of opposition
Oct 22, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 13, 2018
Decision to grant a European patent
Aug 10, 2018
Brief communication to applicant/representative
Jul 26, 2018
(Electronic) Receipt
Jul 26, 2018
Filing of the translations of the claims
Jul 26, 2018
French translation of claims
Jul 26, 2018
German translation of the claims
Jul 26, 2018
Letter accompanying subsequently filed items
Jul 26, 2018
Matter concerning the application
Mar 28, 2018
Bibliographic data of the European patent application
Mar 28, 2018
Communication about intention to grant a European patent
Mar 28, 2018
Intention to grant (signatures)
Mar 28, 2018
Text intended for grant (clean copy)
Mar 28, 2018
Text intended for grant (version for approval)
Dec 13, 2016
Amended description with annotations
Dec 13, 2016
Claims
Dec 13, 2016
Description
Dec 13, 2016
Reply to communication from the Examining Division
Oct 26, 2016
Grant of extension of time limit (examination procedure)
Oct 14, 2016
Request for extension of time limit to communication from the Examining Division
Jun 7, 2016
Annex to the communication
Jun 7, 2016
Communication from the Examining Division
Apr 28, 2016
Examination started
Sep 26, 2014
Submission concerning representation
May 4, 2011
Notification on forthcoming publication of bibliographic data
Apr 19, 2011
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Mar 18, 2011
Copy of the international preliminary report on patentability
Feb 8, 2011
(Electronic) Receipt
Feb 8, 2011
Request for entry into the European phase
Jan 10, 2011
Information on entry into European phase
May 6, 2010
Copy of the international search report
May 6, 2010
International publication of the international search report
Mar 25, 2010
Priority document (electronically transmitted)
Mar 4, 2010
Published international application - A2
Feb 11, 2010
Written opinion of the ISA, boxes No. I to VIII
Feb 11, 2010
Written opinion of the ISA, cover sheet
Feb 11, 2010
Written opinion of the ISA, supplemental box
Sep 10, 2009
Abstract
Sep 10, 2009
Claims
Sep 10, 2009
Description
Sep 10, 2009
Drawings

EP2326613

DAIKIN INDUSTRIES

Application Number: EP09788047A
Filing Date: Aug 21, 2009
Status: Opposition Rejected; Oct 21, 2022
Publication Date: Oct 10, 2018
External Links: Slate, Register , Google Patents