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

Patent No. EP2046861 (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 Jan 23, 2019.

Patent Summary

Patent Family

Patent Oppositions (2)

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	Oct 23, 2019	APPLEYARD LEES
REPSOL	Oct 23, 2019	ZBM PATENTS ZEA

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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Jan 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jan 3, 2022
Termination of the opposition proceedings with revocation of patent
Oct 28, 2021
(Electronic) Receipt
Oct 28, 2021
Advice of delivery
Oct 26, 2021
Communication about missing advice of delivery
Oct 11, 2021
(Electronic) Receipt
Oct 11, 2021
Advice of delivery
Oct 11, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Advice of delivery
Sep 21, 2021
Annex to the communication - opposition
Sep 21, 2021
Decision of the Opposition Division and instruction
Sep 21, 2021
Decision revoking the European patent
Sep 21, 2021
Decision revoking the European patent
Sep 21, 2021
Decision revoking the European patent
Sep 21, 2021
Grounds for the decision (Annex) - opposition
Sep 21, 2021
Means of redress
Sep 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 21, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 21, 2021
Provision of a copy of the minutes - opposition procedure
Sep 21, 2021
Provision of a copy of the minutes - opposition procedure
Sep 21, 2021
Provision of a copy of the minutes - opposition procedure
Sep 21, 2021
Scanned annex to a communication - opposition procedure
Sep 21, 2021
Scanned annex to a communication - opposition procedure
Sep 21, 2021
Transmittal of decision / summons - opposition
Sep 21, 2021
Transmittal of decision / summons - opposition
Sep 21, 2021
Transmittal of decision / summons - opposition
Jul 7, 2021
Brief communication - Opposition proceedings
Jul 7, 2021
Brief communication - Opposition proceedings
Jul 7, 2021
Information about the result of oral proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Citation in opposition procedure - 017
Jul 1, 2021
Consolidated list of cited opposition documents
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Written submission in preparation to/during oral proceedings
Jun 25, 2021
Brief communication - Opposition proceedings
Jun 25, 2021
Brief communication - Opposition proceedings
Jun 18, 2021
(Electronic) Receipt
Jun 18, 2021
Citation in opposition procedure - 017
Jun 18, 2021
Letter accompanying subsequently filed items
Jun 18, 2021
Written submission in preparation to/during oral proceedings
May 12, 2021
Brief communication - Opposition proceedings
May 12, 2021
Brief communication - Opposition proceedings
May 11, 2021
Brief communication - Opposition proceedings
May 11, 2021
Brief communication - Opposition proceedings
May 11, 2021
Brief communication - Opposition proceedings
May 11, 2021
Brief communication - Opposition proceedings
May 6, 2021
(Electronic) Receipt
May 6, 2021
(Electronic) Receipt
May 6, 2021
Citation in opposition procedure - 031
May 6, 2021
Letter accompanying subsequently filed items
May 6, 2021
Letter accompanying subsequently filed items
May 6, 2021
Written submission in preparation to/during oral proceedings
May 6, 2021
Written submission in preparation to/during oral proceedings
May 5, 2021
(Electronic) Receipt
May 5, 2021
Auxiliary request during Opposition procedure
May 5, 2021
Auxiliary request during Opposition procedure - 19
May 5, 2021
Letter accompanying subsequently filed items
May 5, 2021
Written submission in preparation to/during oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Advice of delivery
Dec 9, 2020
Communication about missing advice of delivery
Dec 9, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
(Electronic) Receipt
Nov 12, 2020
Advice of delivery
Nov 12, 2020
Advice of delivery
Nov 12, 2020
Letter accompanying subsequently filed items
Nov 4, 2020
Acknowledgement of a document
Nov 4, 2020
Acknowledgement of a document
Nov 4, 2020
Acknowledgement of a document
Nov 4, 2020
Annex to the communication - opposition
Nov 4, 2020
Information concerning oral proceedings
Nov 4, 2020
Summons to attend oral proceedings
Nov 4, 2020
Summons to attend oral proceedings
Nov 4, 2020
Summons to attend oral proceedings
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure
Jul 16, 2020
Auxiliary request during Opposition procedure - 01
Jul 16, 2020
Auxiliary request during Opposition procedure - 02
Jul 16, 2020
Auxiliary request during Opposition procedure - 03
Jul 16, 2020
Auxiliary request during Opposition procedure - 04
Jul 16, 2020
Auxiliary request during Opposition procedure - 05
Jul 16, 2020
Auxiliary request during Opposition procedure - 06
Jul 16, 2020
Auxiliary request during Opposition procedure - 07
Jul 16, 2020
Auxiliary request during Opposition procedure - 08
Jul 16, 2020
Auxiliary request during Opposition procedure - 09
Jul 16, 2020
Auxiliary request during Opposition procedure - 10
Jul 16, 2020
Auxiliary request during Opposition procedure - 11
Jul 16, 2020
Auxiliary request during Opposition procedure - 12
Jul 16, 2020
Auxiliary request during Opposition procedure - 13
Jul 16, 2020
Auxiliary request during Opposition procedure - 14
Jul 16, 2020
Auxiliary request during Opposition procedure - 15
Jul 16, 2020
Auxiliary request during Opposition procedure - 16
Jul 16, 2020
Auxiliary request during Opposition procedure - 17
Jul 16, 2020
Auxiliary request during Opposition procedure - 18
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 10, 2020
Brief communication to applicant/representative
Mar 10, 2020
Communication of a notice of opposition and request to file observations
Mar 10, 2020
Notice of further oppositions to opponent(s)
Mar 10, 2020
Notice of further oppositions to opponent(s)
Mar 3, 2020
(Electronic) Receipt
Mar 3, 2020
Letter accompanying subsequently filed items
Mar 3, 2020
Request for extension of time limit
Nov 20, 2019
Communication of amended entries
Nov 11, 2019
Communication of a notice of opposition and request to file observations
Nov 11, 2019
Notice of further oppositions to opponent(s)
Nov 7, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 23, 2019
(Electronic) Receipt
Oct 23, 2019
(Electronic) Receipt
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure
Oct 23, 2019
Citation in opposition procedure - 001
Oct 23, 2019
Citation in opposition procedure - 002
Oct 23, 2019
Citation in opposition procedure - 003
Oct 23, 2019
Citation in opposition procedure - 004
Oct 23, 2019
Citation in opposition procedure - 005
Oct 23, 2019
Citation in opposition procedure - 006
Oct 23, 2019
Citation in opposition procedure - 007
Oct 23, 2019
Citation in opposition procedure - 008
Oct 23, 2019
Citation in opposition procedure - 009
Oct 23, 2019
Citation in opposition procedure - 010
Oct 23, 2019
Citation in opposition procedure - 011
Oct 23, 2019
Citation in opposition procedure - 012
Oct 23, 2019
Citation in opposition procedure - 013
Oct 23, 2019
Citation in opposition procedure - 014
Oct 23, 2019
Citation in opposition procedure - 015
Oct 23, 2019
Citation in opposition procedure - 016
Oct 23, 2019
Citation in opposition procedure - 017
Oct 23, 2019
Citation in opposition procedure - 018
Oct 23, 2019
Citation in opposition procedure - 019
Oct 23, 2019
Citation in opposition procedure - 020
Oct 23, 2019
Citation in opposition procedure - 021
Oct 23, 2019
Citation in opposition procedure - 022
Oct 23, 2019
Citation in opposition procedure - 023
Oct 23, 2019
Citation in opposition procedure - 024
Oct 23, 2019
Citation in opposition procedure - 025
Oct 23, 2019
Citation in opposition procedure - 026
Oct 23, 2019
Citation in opposition procedure - 027
Oct 23, 2019
Citation in opposition procedure - 028
Oct 23, 2019
Citation in opposition procedure - 029
Oct 23, 2019
Citation in opposition procedure - 030
Oct 23, 2019
Notice of opposition
Oct 23, 2019
Notice of opposition
Oct 23, 2019
Notice of opposition
Oct 23, 2019
Notice of opposition
Oct 10, 2019
Request concerning representative opponent
Feb 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 7, 2019
Decision to grant a European patent
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
Filing of the translations of the claims
Dec 11, 2018
French translation of claims
Dec 11, 2018
German translation of the claims
Oct 4, 2018
Annex to the communication about intention to grant a European patent
Oct 4, 2018
Bibliographic data of the European patent application
Oct 4, 2018
Communication about intention to grant a European patent
Oct 4, 2018
Intention to grant (signatures)
Oct 4, 2018
Text intended for grant (clean copy)
Oct 4, 2018
Text intended for grant (version for approval)
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Amended claims with annotations
Aug 8, 2018
Amended claims with annotations
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Description
Aug 8, 2018
Description
Aug 8, 2018
Letter accompanying subsequently filed items
Aug 8, 2018
Reply to communication from the Examining Division
Jun 28, 2018
Annex to the communication
Jun 28, 2018
Communication from the Examining Division
Jun 18, 2018
(Electronic) Receipt
Jun 18, 2018
Claims
Jun 18, 2018
Claims
Jun 18, 2018
Letter accompanying subsequently filed items
Jun 18, 2018
Reply to communication from the Examining Division
Feb 15, 2018
Annex to the communication
Feb 15, 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 12, 2015
Annex to the communication
May 12, 2015
Communication from the Examining Division
Jan 12, 2015
Transmittal of third party observations to applicant
Dec 18, 2014
Observations by third parties
Nov 20, 2013
Decision to allow further processing
Nov 8, 2013
Payment of fees and costs
Nov 8, 2013
Request for further processing
Nov 7, 2013
Payment of fees and costs
Nov 7, 2013
Payment of fees and costs
Nov 7, 2013
Request for further processing
Aug 12, 2013
Grant of extension of time limit (examination procedure)
Aug 5, 2013
Request for extension of time limit to communication from the Examining Division
Apr 9, 2013
Annex to the communication
Apr 9, 2013
Communication from the Examining Division
Mar 18, 2009
Notification on forthcoming publication of bibliographic data
Mar 11, 2009
Communication regarding possible amendment of claims/payment of claims fees
Feb 10, 2009
Copy of the international preliminary report on patentability
Dec 24, 2008
Request for entry into the European phase
Dec 5, 2008
Information on entry into European phase
Feb 25, 2008
Priority document (electronically transmitted)
Jan 31, 2008
Copy of the international search report
Jan 31, 2008
Published international application - A1
Jan 31, 2008
Published international application - A1
Aug 29, 2007
Abstract
Aug 29, 2007
Claims
Aug 29, 2007
Description

EP2046861

BAYER MATERIALSCIENCE

Application Number: EP07796940A
Filing Date: Jul 19, 2007
Status: Revoked; Jan 7, 2022
Publication Date: Jan 23, 2019
External Links: Slate, Register , Google Patents