Acetic Acid Production Method

Patent No. EP2628720 (titled "Acetic Acid Production Method") was filed by Daicel on Sep 27, 2011. The application was issued on Nov 7, 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
CELANESE	Aug 7, 2019	KINKELDEY

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 3, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Feb 26, 2021
Termination of the opposition proceedings with maintenance of patent
Nov 27, 2020
Advice of delivery
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Decision to discontinue the opposition proceedings
Nov 17, 2020
Notification concerning the date of oral proceedings
Oct 26, 2020
Brief communication - Opposition proceedings
Oct 26, 2020
Brief communication - Opposition proceedings
Oct 26, 2020
Brief communication - Opposition proceedings
Oct 20, 2020
Brief communication - Opposition proceedings
Oct 16, 2020
(Electronic) Receipt
Oct 16, 2020
Letter accompanying subsequently filed items
Oct 16, 2020
Withdrawal of application
Oct 15, 2020
Advice of delivery
Oct 14, 2020
Advice of delivery
Oct 13, 2020
(Electronic) Receipt
Oct 13, 2020
Letter accompanying subsequently filed items
Oct 13, 2020
Oral proceedings: reply to date proposed
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Information concerning oral proceedings
Oct 5, 2020
Notification concerning the date of oral proceedings
Oct 5, 2020
Notification concerning the date of oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Oral proceedings: reply to date proposed
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
(Electronic) Receipt
Aug 14, 2020
Letter accompanying subsequently filed items
Aug 14, 2020
Oral proceedings: reply to date proposed
Jun 17, 2020
Advice of delivery
Jun 9, 2020
Advice of delivery
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Brief communication - Opposition proceedings
Jun 4, 2020
Information concerning oral proceedings
Jun 4, 2020
Notification concerning the date of oral proceedings
Jun 4, 2020
Notification concerning the date of oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 2, 2020
Brief communication - Opposition proceedings
May 27, 2020
(Electronic) Receipt
May 27, 2020
Any annexes (other than citation) to an opposition letter
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Oral proceedings: Request for postponement
May 25, 2020
(Electronic) Receipt
May 25, 2020
Letter accompanying subsequently filed items
May 25, 2020
Written submission in preparation to/during oral proceedings
May 20, 2020
Advice of delivery
May 15, 2020
Brief communication - Opposition proceedings
May 13, 2020
Acknowledgement of a document
May 13, 2020
Acknowledgement of a document
May 13, 2020
Annex to the communication - opposition
May 13, 2020
Consolidated list of cited opposition documents
May 13, 2020
Information concerning oral proceedings
May 13, 2020
Summons to attend oral proceedings
May 13, 2020
Summons to attend oral proceedings
May 8, 2020
(Electronic) Receipt
May 8, 2020
Letter accompanying subsequently filed items
May 8, 2020
Letter regarding the opposition procedure (no time limit)
Jan 9, 2020
Brief communication - Opposition proceedings
Dec 27, 2019
Reply of the patent proprietor to the notice(s) of opposition
Aug 22, 2019
Communication of a notice of opposition and request to file observations
Aug 22, 2019
Notice of further oppositions to opponent(s)
Aug 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 7, 2019
(Electronic) Receipt
Aug 7, 2019
Citation in opposition procedure
Aug 7, 2019
Citation in opposition procedure
Aug 7, 2019
Citation in opposition procedure - 001
Aug 7, 2019
Citation in opposition procedure - 002
Aug 7, 2019
Citation in opposition procedure - 003
Aug 7, 2019
Citation in opposition procedure - 004
Aug 7, 2019
Citation in opposition procedure - 005
Aug 7, 2019
Citation in opposition procedure - 006
Aug 7, 2019
Citation in opposition procedure - 007
Aug 7, 2019
Citation in opposition procedure - 008
Aug 7, 2019
Citation in opposition procedure - 009
Aug 7, 2019
Citation in opposition procedure - 010
Aug 7, 2019
Citation in opposition procedure - 011
Aug 7, 2019
Citation in opposition procedure - 011
Aug 7, 2019
Citation in opposition procedure - 011
Aug 7, 2019
Citation in opposition procedure - 012
Aug 7, 2019
Citation in opposition procedure - 013
Aug 7, 2019
Citation in opposition procedure - 014
Aug 7, 2019
Citation in opposition procedure - 015
Aug 7, 2019
Citation in opposition procedure - 016
Aug 7, 2019
Consolidated list of cited opposition documents
Aug 7, 2019
International publication (Pamphlet)
Aug 7, 2019
Notice of opposition
Aug 7, 2019
Notice of opposition
Aug 7, 2019
Patent document cited during the opposition procedure
Aug 7, 2019
Priority document
Aug 7, 2019
Translation of the evidence during Opposition procedure
Nov 19, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 11, 2018
Decision to grant a European patent
Sep 20, 2018
(Electronic) Receipt
Sep 20, 2018
Filing of the translations of the claims
Sep 20, 2018
French translation of claims
Sep 20, 2018
German translation of the claims
May 28, 2018
Bibliographic data of the European patent application
May 28, 2018
Communication about intention to grant a European patent
May 28, 2018
Intention to grant (signatures)
May 28, 2018
Text intended for grant (clean copy)
May 28, 2018
Text intended for grant (version for approval)
May 8, 2018
Notification concerning the date of oral proceedings
May 3, 2018
(Electronic) Receipt
May 3, 2018
Amended claims with annotations
May 3, 2018
Amended claims with annotations
May 3, 2018
Amended description with annotations
May 3, 2018
Amended description with annotations
May 3, 2018
Claims
May 3, 2018
Claims
May 3, 2018
Description
May 3, 2018
Description
May 3, 2018
Letter accompanying subsequently filed items
May 3, 2018
Written submission in preparation to/during oral proceedings
May 3, 2018
Written submission in preparation to/during oral proceedings
Apr 25, 2018
Annex to the communication
Apr 25, 2018
Consultation by telephone/in person
Apr 25, 2018
Result of consultation by telephone/in person
Apr 23, 2018
Consultation by telephone/in person
Mar 16, 2018
Claims
Mar 16, 2018
Claims
Mar 16, 2018
Claims
Mar 16, 2018
Claims
Mar 16, 2018
Written submission in preparation to/during oral proceedings
Nov 21, 2017
Advice of delivery
Oct 24, 2017
Advice of delivery
Oct 18, 2017
Acknowledgement of a document
Oct 18, 2017
Summons to attend oral proceedings
Sep 7, 2017
Advice of delivery
Sep 1, 2017
Advice of delivery
Aug 30, 2017
Advice of delivery
Aug 30, 2017
Written submission in preparation to/during oral proceedings
Aug 24, 2017
Acknowledgement of a document
Aug 24, 2017
Summons to attend oral proceedings
Aug 17, 2017
Written submission in preparation to/during oral proceedings
Aug 14, 2017
Advice of delivery
Aug 8, 2017
Acknowledgement of a document
Aug 8, 2017
Annex to the communication
Aug 8, 2017
Preparation for oral proceedings
Aug 8, 2017
Summons to attend oral proceedings
May 19, 2017
Claims
May 19, 2017
Reply to communication from the Examining Division
Jan 16, 2017
Annex to the communication
Jan 16, 2017
Communication from the Examining Division
Jan 6, 2017
Examination started
Dec 7, 2015
Communication of amended entries concerning the applicant/patent proprietor
Oct 1, 2015
Communication of the registration of a transfer or change of name and/or address
Oct 1, 2015
Communication of the registration of a transfer or change of name and/or address
Sep 24, 2015
Submission concerning change of applicant's address
Mar 25, 2015
Amended claims filed after receipt of (European) search report
Mar 25, 2015
Amended claims with annotations
Mar 25, 2015
Amendments received before examination
Mar 25, 2015
Translation of priority document
Feb 24, 2015
Submission concerning representation
Sep 30, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 30, 2014
Invitation to file a translation of the previous application
Sep 11, 2014
Communication regarding the transmission of the European search report
Sep 11, 2014
European search opinion
Sep 11, 2014
Supplementary European search report
Aug 28, 2014
Search started
Jul 24, 2013
Notification of forthcoming publication
May 24, 2013
Translation of the international preliminary report on patentability
May 15, 2013
Communication regarding possible amendment of the application/payment of claims fee
May 13, 2013
Communication to designated inventor
Apr 23, 2013
Copy of the international preliminary report on patentability
Mar 20, 2013
(Electronic) Receipt
Mar 20, 2013
Abstract
Mar 20, 2013
Claims
Mar 20, 2013
Description
Mar 20, 2013
Drawings
Mar 20, 2013
Letter concerning the inventor
Mar 20, 2013
Request for entry into the European phase
Feb 15, 2013
Information on entry into European phase
Feb 7, 2013
Notification of the recording of a change
May 10, 2012
Priority document (electronically transmitted)
Apr 12, 2012
Copy of the international search report
Apr 12, 2012
Copy of the translated international search report
Apr 12, 2012
International publication pamphlet

EP2628720

DAICEL

Application Number: EP11830526A
Filing Date: Sep 27, 2011
Status: Granted And Under Opposition; Oct 5, 2018
Publication Date: Nov 7, 2018
External Links: Slate, Register , Google Patents

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Acetic Acid Production Method

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Dossier Documents

EP2628720