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

Patent No. EP2287226 (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 Feb 27, 2019.

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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Oct 29, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 29, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 26, 2021
Termination of the opposition proceedings with revocation of patent
Jul 20, 2021
(Electronic) Receipt
Jul 20, 2021
Advice of delivery
Jul 20, 2021
Letter accompanying subsequently filed items
Jul 14, 2021
Annex to the communication - opposition
Jul 14, 2021
Decision of the Opposition Division and instruction
Jul 14, 2021
Decision revoking the European patent
Jul 14, 2021
Decision revoking the European patent
Jul 14, 2021
Grounds for the decision (Annex) - opposition
Jul 14, 2021
Means of redress
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 14, 2021
Provision of a copy of the minutes - opposition procedure
Jul 14, 2021
Provision of a copy of the minutes - opposition procedure
Jul 14, 2021
Transmittal of decision / summons - opposition
Jul 14, 2021
Transmittal of decision / summons - opposition
Jun 17, 2021
Information about the result of oral proceedings
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Citation in opposition procedure - 018
Apr 16, 2021
Consolidated list of cited opposition documents
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Written submission in preparation to/during oral proceedings
Apr 15, 2021
(Electronic) Receipt
Apr 15, 2021
Auxiliary request during Opposition procedure
Apr 15, 2021
Auxiliary request during Opposition procedure
Apr 15, 2021
Auxiliary request during Opposition procedure
Apr 15, 2021
Auxiliary request during Opposition procedure
Apr 15, 2021
Auxiliary request during Opposition procedure
Apr 15, 2021
Auxiliary request during Opposition procedure - 10
Apr 15, 2021
Auxiliary request during Opposition procedure - 11
Apr 15, 2021
Auxiliary request during Opposition procedure - 12
Apr 15, 2021
Auxiliary request during Opposition procedure - 13
Apr 15, 2021
Auxiliary request during Opposition procedure - 14
Apr 15, 2021
Citation in opposition procedure - 017
Apr 15, 2021
Letter accompanying subsequently filed items
Apr 15, 2021
Written submission in preparation to/during oral proceedings
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Advice of delivery
Jan 27, 2021
Communication about missing advice of delivery
Dec 23, 2020
(Electronic) Receipt
Dec 23, 2020
Advice of delivery
Dec 23, 2020
Letter accompanying subsequently filed items
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 16, 2020
Brief communication - Opposition proceedings
Mar 16, 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 9, 2019
Communication of a notice of opposition and request to file observations
Dec 9, 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 17, 2018
Annex to the communication about intention to grant a European patent
Oct 17, 2018
Bibliographic data of the European patent application
Oct 17, 2018
Communication about intention to grant a European patent
Oct 17, 2018
Intention to grant (signatures)
Oct 17, 2018
Text intended for grant (clean copy)
Oct 17, 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 9, 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
Jul 26, 2017
Decision to allow further processing
Jul 14, 2017
(Electronic) Receipt
Jul 14, 2017
Letter accompanying subsequently filed items
Jul 14, 2017
Request for further processing
Jun 2, 2017
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Mar 7, 2017
Grant of extension of time limit (examination procedure)
Feb 28, 2017
(Electronic) Receipt
Feb 28, 2017
Request for extension of time limit to communication from the Examining Division
Oct 26, 2016
Annex to the communication
Oct 26, 2016
Communication from the Examining Division
Oct 10, 2016
Submission concerning representation
Aug 1, 2016
Notification regarding date of start of examination with possibility to withdraw
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 17, 2015
Letter relating to the automatic debiting procedure
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
Aug 23, 2011
Amended claims filed after receipt of (European) search report
Aug 23, 2011
Amendments received before examination
Aug 23, 2011
Patent document cited during the examination procedure
Aug 23, 2011
Patent document cited during the examination procedure
Aug 23, 2011
Patent document cited during the examination procedure
Aug 22, 2011
Amended claims filed after receipt of (European) search report
Aug 22, 2011
Amendments received before examination
Mar 17, 2011
Letter relating to the automatic debiting procedure
Mar 9, 2011
Notice drawing attention to the payment of the renewal fee and additional fee (divisional application)
Mar 9, 2011
Notice drawing attention to the payment of the renewal fee and additional fee (divisional application)
Feb 28, 2011
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Feb 23, 2011
Invitation to indicate correct address of inventor
Feb 17, 2011
Letter which had not been notified
Jan 26, 2011
Notification of forthcoming publication
Jan 21, 2011
Communication regarding the transmission of the European search report
Jan 21, 2011
European search opinion
Jan 21, 2011
European search report
Jan 13, 2011
Letter concerning the inventor
Dec 2, 2010
Deficiency in designation of inventor
Nov 2, 2010
Confirmation of receipt of (electronically) transmitted priority document
Sep 30, 2010
Abstract
Sep 30, 2010
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Sep 30, 2010
Claims
Sep 30, 2010
Description
Sep 30, 2010
Request for grant of a European patent (divisional application)
Feb 25, 2008
Priority document (electronically transmitted)

EP2287226

BAYER MATERIALSCIENCE

Application Number: EP10184387A
Filing Date: Jul 19, 2007
Status: Revoked; Oct 29, 2021
Publication Date: Feb 27, 2019
External Links: Slate, Register , Google Patents