Ester Mixtures And Compositions Comprising Such Ester Mixtures

Patent No. EP2448551 (titled "Ester Mixtures And Compositions Comprising Such Ester Mixtures") was filed by Cognis Management on Jun 19, 2010. The application was issued on May 29, 2019.

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
KADOR & PARTNER PARTG MBB	Feb 28, 2020	KADOR & PARTNER PART MBB

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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Nov 17, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 17, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Nov 12, 2021
Termination of the opposition proceedings with revocation of patent
Aug 17, 2021
Advice of delivery
Aug 6, 2021
Advice of delivery
Aug 2, 2021
Decision of the Opposition Division and instruction
Aug 2, 2021
Decision revoking the European patent
Aug 2, 2021
Decision revoking the European patent
Aug 2, 2021
Grounds for the decision (Annex) - opposition
Aug 2, 2021
Means of redress
Aug 2, 2021
Scanned annex to a communication - opposition procedure
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Jul 5, 2021
Advice of delivery
Jul 2, 2021
Advice of delivery
Jul 2, 2021
Notification concerning the date of oral proceedings
Jul 2, 2021
Notification concerning the date of oral proceedings
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 30, 2021
Written submission in preparation to/during oral proceedings
Jun 22, 2021
Brief communication - Opposition proceedings
Jun 22, 2021
Brief communication - Opposition proceedings
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Letter accompanying subsequently filed items
Jun 16, 2021
Request for interpreters during oral proceedings
Jun 15, 2021
(Electronic) Receipt
Jun 15, 2021
Letter accompanying subsequently filed items
Jun 15, 2021
Withdrawal of a request for oral proceedings
May 6, 2021
Brief communication - Opposition proceedings
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Citation in opposition procedure - 016
Apr 29, 2021
Citation in opposition procedure - 017
Apr 29, 2021
Consolidated list of cited opposition documents
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 29, 2021
Written submission in preparation to/during oral proceedings
Apr 27, 2021
Letter accompanying subsequently filed items
Apr 22, 2021
Brief communication - Opposition proceedings
Apr 14, 2021
(Electronic) Receipt
Apr 14, 2021
Letter accompanying subsequently filed items
Apr 14, 2021
Main request during Opposition procedure
Apr 14, 2021
Main request during Opposition procedure
Apr 14, 2021
Written submission in preparation to/during oral proceedings
Mar 19, 2021
Notification concerning the date of oral proceedings
Mar 19, 2021
Notification concerning the date of oral proceedings
Nov 25, 2020
Advice of delivery
Nov 16, 2020
Advice of delivery
Nov 11, 2020
Acknowledgement of a document
Nov 11, 2020
Acknowledgement of a document
Nov 11, 2020
Information concerning oral proceedings
Nov 11, 2020
Summons to attend oral proceedings
Nov 11, 2020
Summons to attend oral proceedings
Nov 2, 2020
Brief communication - Opposition proceedings
Oct 28, 2020
(Electronic) Receipt
Oct 28, 2020
Any annexes (other than citation) to an opposition letter
Oct 28, 2020
Letter accompanying subsequently filed items
Oct 28, 2020
Oral proceedings: Request for postponement
Oct 21, 2020
Advice of delivery
Oct 16, 2020
Advice of delivery
Oct 13, 2020
Acknowledgement of a document
Oct 13, 2020
Acknowledgement of a document
Oct 13, 2020
Annex to the communication - opposition
Oct 13, 2020
Information concerning oral proceedings
Oct 13, 2020
Summons to attend oral proceedings
Oct 13, 2020
Summons to attend oral proceedings
Jul 8, 2020
Brief communication - Opposition proceedings
Jul 3, 2020
(Electronic) Receipt
Jul 3, 2020
Auxiliary request during Opposition procedure
Jul 3, 2020
Auxiliary request during Opposition procedure
Jul 3, 2020
Auxiliary request during Opposition procedure
Jul 3, 2020
Auxiliary request during Opposition procedure - 01
Jul 3, 2020
Auxiliary request during Opposition procedure - 02
Jul 3, 2020
Auxiliary request during Opposition procedure - 03
Jul 3, 2020
Citation in opposition procedure - 014
Jul 3, 2020
Citation in opposition procedure - 015
Jul 3, 2020
Letter accompanying subsequently filed items
Jul 3, 2020
Main request during Opposition procedure
Jul 3, 2020
Main request during Opposition procedure
Jul 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
May 18, 2020
Brief communication - Opposition proceedings
May 11, 2020
(Electronic) Receipt
May 11, 2020
Citation in opposition procedure - 013
May 11, 2020
Letter accompanying subsequently filed items
May 11, 2020
Letter regarding the opposition procedure (no time limit)
Mar 20, 2020
Communication of a notice of opposition and request to file observations
Mar 20, 2020
Notice of further oppositions to opponent(s)
Mar 10, 2020
Communication of a notice of opposition - first information to patent proprietor
Mar 2, 2020
(Electronic) Receipt
Mar 2, 2020
Letter regarding the opposition procedure (no time limit)
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
Citation in opposition procedure - 001
Feb 28, 2020
Citation in opposition procedure - 002
Feb 28, 2020
Citation in opposition procedure - 003
Feb 28, 2020
Citation in opposition procedure - 004
Feb 28, 2020
Citation in opposition procedure - 005
Feb 28, 2020
Citation in opposition procedure - 006
Feb 28, 2020
Citation in opposition procedure - 007
Feb 28, 2020
Citation in opposition procedure - 008
Feb 28, 2020
Citation in opposition procedure - 009
Feb 28, 2020
Citation in opposition procedure - 010
Feb 28, 2020
Citation in opposition procedure - 011
Feb 28, 2020
Citation in opposition procedure - 012
Feb 28, 2020
International publication (Pamphlet)
Feb 28, 2020
Notice of opposition
Feb 28, 2020
Notice of opposition
Feb 28, 2020
Patent document cited during the opposition procedure
Jun 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 3, 2019
Decision to grant a European patent
Apr 10, 2019
(Electronic) Receipt
Apr 10, 2019
Filing of the translations of the claims
Apr 10, 2019
French translation of claims
Apr 10, 2019
German translation of the claims
Jan 22, 2019
Bibliographic data of the European patent application
Jan 22, 2019
Communication about intention to grant a European patent
Jan 22, 2019
Intention to grant (signatures)
Jan 22, 2019
Text intended for grant (clean copy)
Jan 22, 2019
Text intended for grant (version for approval)
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Amended description with annotations
Aug 23, 2018
Description
Aug 23, 2018
Letter accompanying subsequently filed items
Aug 23, 2018
Reply to communication from the Examining Division
May 25, 2018
Annex to the communication
May 25, 2018
Communication from the Examining Division
Jan 22, 2018
(Electronic) Receipt
Jan 22, 2018
Amended claims with annotations
Jan 22, 2018
Claims
Jan 22, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Reply to communication from the Examining Division
Dec 4, 2017
Communication concerning the filing of a power of attorney
Dec 4, 2017
Communication of amended entries concerning the representative
Nov 30, 2017
Grant of extension of time limit (examination procedure)
Nov 20, 2017
(Electronic) Receipt
Nov 20, 2017
Letter accompanying subsequently filed items
Jul 26, 2017
Annex to the communication
Jul 26, 2017
Communication from the Examining Division
Apr 26, 2017
Notification regarding date of start of examination with possibility to withdraw
Apr 13, 2016
Submission concerning change of applicant's representative
Jul 18, 2012
(Electronic) Receipt
Jul 18, 2012
Amended claims filed after receipt of (European) search report
Jul 18, 2012
Amended claims with annotations
Jul 18, 2012
Amendments received before examination
Jul 18, 2012
Letter accompanying subsequently filed items
Apr 12, 2012
Notification on forthcoming publication of bibliographic data
Feb 7, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 16, 2012
Copy of the international preliminary report on patentability
Nov 22, 2011
Letter relating to the automatic debiting procedure
Oct 7, 2011
(Electronic) Receipt
Oct 7, 2011
Request for entry into the European phase
Apr 6, 2011
Priority document (electronically transmitted)
Apr 6, 2011
Priority document (electronically transmitted)
Jan 6, 2011
Copy of the international search report
Aug 3, 2010
Written opinion of the ISA, boxes No. I to VIII
Aug 3, 2010
Written opinion of the ISA, cover sheet
Aug 3, 2010
Written opinion of the ISA, supplemental box
Jun 19, 2010
Abstract
Jun 19, 2010
Claims
Jun 19, 2010
Description

EP2448551

COGNIS MANAGEMENT

Application Number: EP10729785A
Filing Date: Jun 19, 2010
Status: Revoked; Nov 19, 2021
Publication Date: May 29, 2019
External Links: Slate, Register , Google Patents

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Ester Mixtures And Compositions Comprising Such Ester Mixtures

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Dossier Documents

EP2448551