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Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis

Patent No. EP2239291 (titled "Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis") was filed by Bayer Materialscience on Jul 19, 2007. The application was issued on Mar 9, 2022.

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
ECONIC	Nov 27, 2019	APPLEYARD LEES

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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Feb 10, 2022
Decision to maintain the European patent in amended form
Feb 10, 2022
Decision to maintain the European patent in amended form
Feb 7, 2022
Termination of the opposition proceedings with maintenance of patent
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
Filing of the translation of the amended claims
Jan 31, 2022
French translation of claims
Jan 31, 2022
German translation of the claims
Jan 31, 2022
Letter accompanying subsequently filed items
Dec 14, 2021
Communication to opponent concerning maintenance
Dec 14, 2021
Communication with request to file translations
Dec 14, 2021
Refund of fees
Dec 10, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 10, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 8, 2021
F3345 Forwarding of submissions to parties
Dec 8, 2021
Maintenance of the patent with the documents specified in the final decision
Dec 3, 2021
Composition of the board (T)
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
Letter accompanying subsequently filed items
Nov 30, 2021
Withdrawal of an appeal
Oct 4, 2021
F3204 Communication of the file number to the parties
Oct 4, 2021
F3204 Communication of the file number to the parties
Sep 27, 2021
(Electronic) Receipt
Sep 27, 2021
(Electronic) Receipt
Sep 27, 2021
Advice of delivery
Sep 27, 2021
Letter accompanying subsequently filed items
Sep 27, 2021
Notice of appeal
Sep 22, 2021
Communication about missing advice of delivery
Aug 18, 2021
(Electronic) Receipt
Aug 18, 2021
Advice of delivery
Aug 18, 2021
Letter accompanying subsequently filed items
Aug 16, 2021
Annex to the communication - opposition
Aug 16, 2021
Decision of the Opposition Division and instruction
Aug 16, 2021
Druckexemplar in opposition procedure
Aug 16, 2021
Grounds for the decision (Annex) - opposition
Aug 16, 2021
Interlocutory decision in opposition proceedings
Aug 16, 2021
Interlocutory decision in opposition proceedings
Aug 16, 2021
Means of redress
Aug 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 16, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 16, 2021
Provision of a copy of the minutes - opposition procedure
Aug 16, 2021
Provision of a copy of the minutes - opposition procedure
Aug 16, 2021
Scanned annex to a communication - opposition procedure
Aug 16, 2021
Transmittal of decision / summons - opposition
Aug 16, 2021
Transmittal of decision / summons - opposition
Jul 1, 2021
Brief communication - Opposition proceedings
Jun 29, 2021
Information about the result of oral proceedings
Jun 25, 2021
(Electronic) Receipt
Jun 25, 2021
Citation in opposition procedure - 019
Jun 25, 2021
Citation in opposition procedure - 020
Jun 25, 2021
Consolidated list of cited opposition documents
Jun 25, 2021
Letter accompanying subsequently filed items
Jun 25, 2021
Written submission in preparation to/during oral proceedings
May 7, 2021
Brief communication - Opposition proceedings
May 4, 2021
Brief communication - Opposition proceedings
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Citation in opposition procedure - 018
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 29, 2021
Written submission in preparation to/during oral proceedings
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure - 10
Apr 28, 2021
Auxiliary request during Opposition procedure - 11
Apr 28, 2021
Auxiliary request during Opposition procedure - 12
Apr 28, 2021
Auxiliary request during Opposition procedure - 13
Apr 28, 2021
Auxiliary request during Opposition procedure - 14
Apr 28, 2021
Citation in opposition procedure - 017
Apr 28, 2021
Letter accompanying subsequently filed items
Apr 28, 2021
Written submission in preparation to/during oral proceedings
Apr 21, 2021
(Electronic) Receipt
Apr 21, 2021
Letter accompanying subsequently filed items
Mar 3, 2021
(Electronic) Receipt
Mar 3, 2021
Advice of delivery
Mar 3, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
(Electronic) Receipt
Mar 2, 2021
Advice of delivery
Feb 26, 2021
Communication about missing advice of delivery
Feb 26, 2021
Communication about missing advice of delivery
Dec 21, 2020
Annex to the communication - opposition
Dec 21, 2020
Information concerning oral proceedings
Dec 21, 2020
Summons to attend oral proceedings
Dec 21, 2020
Summons to attend oral proceedings
Dec 21, 2020
Transmittal of decision / summons - opposition
Dec 21, 2020
Transmittal of decision / summons - opposition
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 17, 2020
(Electronic) Receipt
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure
Aug 17, 2020
Auxiliary request during Opposition procedure - 01
Aug 17, 2020
Auxiliary request during Opposition procedure - 02
Aug 17, 2020
Auxiliary request during Opposition procedure - 03
Aug 17, 2020
Auxiliary request during Opposition procedure - 04
Aug 17, 2020
Auxiliary request during Opposition procedure - 05
Aug 17, 2020
Auxiliary request during Opposition procedure - 06
Aug 17, 2020
Auxiliary request during Opposition procedure - 07
Aug 17, 2020
Auxiliary request during Opposition procedure - 08
Aug 17, 2020
Auxiliary request during Opposition procedure - 09
Aug 17, 2020
Citation in opposition procedure - 016
Aug 17, 2020
Letter accompanying subsequently filed items
Aug 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 10, 2020
Brief communication - Opposition proceedings
Jun 10, 2020
Grant of extension of time limit (opposition procedure)
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Letter accompanying subsequently filed items
Jun 3, 2020
Request for extension of time limit
Mar 10, 2020
Brief communication - Opposition proceedings
Mar 10, 2020
Grant of extension of time limit (opposition procedure)
Mar 3, 2020
(Electronic) Receipt
Mar 3, 2020
Letter accompanying subsequently filed items
Mar 3, 2020
Request for extension of time limit
Dec 16, 2019
Communication of a notice of opposition and request to file observations
Dec 16, 2019
Notice of further oppositions to opponent(s)
Dec 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 27, 2019
(Electronic) Receipt
Nov 27, 2019
Citation in opposition procedure - 001
Nov 27, 2019
Citation in opposition procedure - 002
Nov 27, 2019
Citation in opposition procedure - 003
Nov 27, 2019
Citation in opposition procedure - 004
Nov 27, 2019
Citation in opposition procedure - 005
Nov 27, 2019
Citation in opposition procedure - 006
Nov 27, 2019
Citation in opposition procedure - 007
Nov 27, 2019
Citation in opposition procedure - 008
Nov 27, 2019
Citation in opposition procedure - 009
Nov 27, 2019
Citation in opposition procedure - 010
Nov 27, 2019
Citation in opposition procedure - 011
Nov 27, 2019
Citation in opposition procedure - 012
Nov 27, 2019
Citation in opposition procedure - 013
Nov 27, 2019
Citation in opposition procedure - 014
Nov 27, 2019
Citation in opposition procedure - 015
Nov 27, 2019
Notice of opposition
Nov 27, 2019
Notice of opposition
Mar 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 31, 2019
Decision to grant a European patent
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Filing of the translations of the claims
Jan 10, 2019
French translation of claims
Jan 10, 2019
German translation of the claims
Oct 30, 2018
Annex to the communication about intention to grant a European patent
Oct 30, 2018
Bibliographic data of the European patent application
Oct 30, 2018
Communication about intention to grant a European patent
Oct 30, 2018
Intention to grant (signatures)
Oct 30, 2018
Text intended for grant (clean copy)
Oct 30, 2018
Text intended for grant (version for approval)
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Claims
Sep 7, 2018
Claims
Sep 7, 2018
Description
Sep 7, 2018
Description
Sep 7, 2018
Letter accompanying subsequently filed items
Sep 7, 2018
Reply to communication from the Examining Division
Jul 5, 2018
Grant of extension of time limit (examination procedure)
Jun 28, 2018
(Electronic) Receipt
Jun 28, 2018
Request for extension of time limit to communication from the Examining Division
Mar 1, 2018
Annex to the communication
Mar 1, 2018
Communication from the Examining Division
Oct 10, 2016
Submission concerning representation
Sep 25, 2015
Communication of amended entries concerning the representative
Sep 25, 2015
Communication of the registration of a transfer or change of name and/or address
Sep 17, 2015
Letter relating to the automatic debiting procedure
Sep 11, 2015
Submission concerning change of applicant's name
Aug 27, 2015
Confirmation of revocation of automatic debit order
Aug 25, 2015
(Electronic) Receipt
Aug 25, 2015
Letter accompanying subsequently filed items
Aug 25, 2015
Reply to communication from the Examining Division
Aug 17, 2015
Letter relating to the automatic debiting procedure
May 13, 2015
Annex to the communication
May 13, 2015
Communication from the Examining Division
May 6, 2015
Examination started
Jan 12, 2015
Transmittal of third party observations to applicant
Dec 18, 2014
Observations by third parties
Apr 9, 2013
Information relating to the filing of a voluntary divisional application
Apr 13, 2011
Amended claims filed after receipt of (European) search report
Apr 13, 2011
Amendments received before examination
Apr 13, 2011
Patent document cited during the examination procedure
Apr 13, 2011
Patent document cited during the examination procedure
Apr 11, 2011
Amended claims filed after receipt of (European) search report
Apr 11, 2011
Amendments received before examination
Oct 18, 2010
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 15, 2010
Notification of forthcoming publication
Sep 8, 2010
Communication regarding the transmission of the European search report
Sep 8, 2010
European search opinion
Sep 8, 2010
European search report
Jul 20, 2010
Confirmation of receipt of (electronically) transmitted priority document
Jul 8, 2010
Abstract
Jul 8, 2010
Claims
Jul 8, 2010
Description
Jul 8, 2010
Designation of inventor
Jul 8, 2010
Request for grant of a European patent (divisional application)
Feb 25, 2008
Priority document (electronically transmitted)

EP2239291

BAYER MATERIALSCIENCE

Application Number: EP10007054A
Filing Date: Jul 19, 2007
Status: Patent Maintained As Amended; Feb 4, 2022
Publication Date: Mar 9, 2022
External Links: Slate, Register , Google Patents