Polyester Polyether Polyol

Patent No. EP2636694 (titled "Polyester Polyether Polyol") was filed by Novance on Mar 8, 2013. The application was issued on Mar 1, 2023.

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
CALYSTA	Dec 18, 2020	-

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 2, 2023
Decision to maintain the European patent in amended form
Feb 2, 2023
Decision to maintain the European patent in amended form
Jan 27, 2023
Termination of the opposition proceedings with maintenance of patent
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
English translation of the claims
Jan 23, 2023
German translation of the claims
Jan 23, 2023
Letter accompanying subsequently filed items
Oct 24, 2022
Communication of bibliographic data
Oct 24, 2022
Communication to opponent concerning maintenance
Oct 24, 2022
Communication with request to file translations
Oct 19, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Advice of delivery
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 8, 2022
Advice of delivery
Jul 7, 2022
Annex to the communication - opposition
Jul 7, 2022
Decision of the Opposition Division and instruction
Jul 7, 2022
Druckexemplar in opposition procedure
Jul 7, 2022
Grounds for the decision (Annex) - opposition
Jul 7, 2022
Interlocutory decision in opposition proceedings
Jul 7, 2022
Interlocutory decision in opposition proceedings
Jul 7, 2022
Means of redress
Jul 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 7, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 7, 2022
Provision of a copy of the minutes - opposition procedure
Jul 7, 2022
Provision of a copy of the minutes - opposition procedure
Jul 7, 2022
Scanned annex to a communication - opposition procedure
Jul 7, 2022
Scanned annex to a communication - opposition procedure
Jul 7, 2022
Transmittal of decision / summons - opposition
Jul 7, 2022
Transmittal of decision / summons - opposition
Apr 28, 2022
Information about the result of oral proceedings
Apr 13, 2022
Letter accompanying subsequently filed items
Mar 29, 2022
Notification concerning the date of oral proceedings
Mar 4, 2022
Notification concerning the date of oral proceedings
Mar 3, 2022
Brief communication - Opposition proceedings
Mar 1, 2022
Brief communication - Opposition proceedings
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Letter accompanying subsequently filed items
Feb 28, 2022
Written submission in preparation to/during oral proceedings
Feb 24, 2022
(Electronic) Receipt
Feb 24, 2022
Letter accompanying subsequently filed items
Feb 24, 2022
Written submission in preparation to/during oral proceedings
Feb 8, 2022
Notification concerning the date of oral proceedings
Feb 8, 2022
Notification concerning the date of oral proceedings
Feb 2, 2022
Brief communication - Opposition proceedings
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
Letter accompanying subsequently filed items
Jan 28, 2022
Written submission in preparation to/during oral proceedings
Dec 17, 2021
Notification concerning the date of oral proceedings
Dec 17, 2021
Notification concerning the date of oral proceedings
Aug 30, 2021
Brief communication - Opposition proceedings
Aug 30, 2021
Notification concerning the date of oral proceedings
Aug 30, 2021
Notification concerning the date of oral proceedings
Aug 24, 2021
(Electronic) Receipt
Aug 24, 2021
Letter accompanying subsequently filed items
Aug 24, 2021
Written submission in preparation to/during oral proceedings
Aug 16, 2021
(Electronic) Receipt
Aug 16, 2021
Advice of delivery
Aug 16, 2021
Letter accompanying subsequently filed items
Aug 13, 2021
(Electronic) Receipt
Aug 13, 2021
Advice of delivery
Aug 13, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Annex to the communication - opposition
Aug 5, 2021
Information concerning oral proceedings
Aug 5, 2021
Summons to attend oral proceedings
Aug 5, 2021
Summons to attend oral proceedings
Aug 5, 2021
Transmittal of decision / summons - opposition
Aug 5, 2021
Transmittal of decision / summons - opposition
May 25, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Auxiliary request during Opposition procedure - 01
May 18, 2021
Auxiliary request during Opposition procedure - 02
May 18, 2021
Auxiliary request during Opposition procedure - 03
May 18, 2021
Auxiliary request during Opposition procedure - 04
May 18, 2021
Auxiliary request during Opposition procedure - 05
May 18, 2021
Auxiliary request during Opposition procedure - 06
May 18, 2021
Auxiliary request during Opposition procedure - 07
May 18, 2021
Auxiliary request during Opposition procedure - 08
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Main request during Opposition procedure
May 18, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jan 22, 2021
Communication of a notice of opposition and request to file observations
Jan 22, 2021
Notice of further oppositions to opponent(s)
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
Citation in opposition procedure - 013
Jan 7, 2021
Consolidated list of cited opposition documents
Jan 7, 2021
Letter regarding the opposition procedure (no time limit)
Dec 23, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2020
Request for documents
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Citation in opposition procedure - 001
Dec 18, 2020
Citation in opposition procedure - 002
Dec 18, 2020
Citation in opposition procedure - 002
Dec 18, 2020
Citation in opposition procedure - 003
Dec 18, 2020
Citation in opposition procedure - 004
Dec 18, 2020
Citation in opposition procedure - 005
Dec 18, 2020
Citation in opposition procedure - 006
Dec 18, 2020
Citation in opposition procedure - 007
Dec 18, 2020
Citation in opposition procedure - 008
Dec 18, 2020
Citation in opposition procedure - 009
Dec 18, 2020
Citation in opposition procedure - 010
Dec 18, 2020
Citation in opposition procedure - 011
Dec 18, 2020
Citation in opposition procedure - 012
Dec 18, 2020
Citation in opposition procedure - 013
Dec 18, 2020
Citation in opposition procedure - 014
Dec 18, 2020
Citation in opposition procedure - 015
Dec 18, 2020
Citation in opposition procedure - 016
Dec 18, 2020
Citation in opposition procedure - 017
Dec 18, 2020
Citation in opposition procedure - 018
Dec 18, 2020
Citation in opposition procedure - 019
Dec 18, 2020
Citation in opposition procedure - 020
Dec 18, 2020
Notice of opposition
Dec 18, 2020
Notice of opposition
Apr 6, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 27, 2020
Decision to grant a European patent
Feb 26, 2020
Refund of fees
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
English translation of the claims
Feb 17, 2020
Filing of the translations of the claims
Feb 17, 2020
Filing of the translations of the claims
Feb 17, 2020
German translation of the claims
Feb 17, 2020
Translation of the claims
Feb 17, 2020
Translation of the claims
Oct 8, 2019
Bibliographic data of the European patent application
Oct 8, 2019
Communication about intention to grant a European patent
Oct 8, 2019
Intention to grant (signatures)
Oct 8, 2019
Text intended for grant (clean copy)
Oct 8, 2019
Text intended for grant (version for approval)
Sep 5, 2019
(Electronic) Receipt
Sep 5, 2019
Claims
Sep 5, 2019
Description
Sep 5, 2019
Letter accompanying subsequently filed items
Sep 5, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 25, 2019
Bibliographic data of the European patent application
Jun 25, 2019
Communication about intention to grant a European patent
Jun 25, 2019
Intention to grant (signatures)
Jun 25, 2019
Text intended for grant (clean copy)
Jun 25, 2019
Text intended for grant (version for approval)
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Amended claims with annotations
Mar 22, 2019
Claims
Mar 22, 2019
Letter accompanying subsequently filed items
Mar 22, 2019
Non-patent literature cited during the examination procedure
Mar 22, 2019
Reply to communication from the Examining Division
Nov 26, 2018
Annex to the communication
Nov 26, 2018
Communication from the Examining Division
Aug 13, 2018
(Electronic) Receipt
Aug 13, 2018
Amended claims with annotations
Aug 13, 2018
Claims
Aug 13, 2018
Letter accompanying subsequently filed items
Aug 13, 2018
Reply to communication from the Examining Division
Apr 26, 2018
Annex to the communication
Apr 26, 2018
Communication from the Examining Division
Apr 23, 2018
Communication confirming withdrawal from representation
Apr 23, 2018
Communication of amended entries concerning the representative
Apr 13, 2018
(Electronic) Receipt
Apr 13, 2018
Letter accompanying subsequently filed items
Apr 13, 2018
Submission concerning change of applicant's representative
Jan 17, 2018
(Electronic) Receipt
Jan 17, 2018
Amended claims with annotations
Jan 17, 2018
Claims
Jan 17, 2018
Letter accompanying subsequently filed items
Jan 17, 2018
Reply to communication from the Examining Division
Nov 22, 2017
Grant of extension of time limit (examination procedure)
Nov 17, 2017
(Electronic) Receipt
Nov 17, 2017
Letter accompanying subsequently filed items
Nov 17, 2017
Request for extension of time limit to communication from the Examining Division
Jul 17, 2017
Annex to the communication
Jul 17, 2017
Communication from the Examining Division
Mar 30, 2017
Communication of the registration of a transfer or change of name and/or address
Feb 28, 2017
(Electronic) Receipt
Feb 28, 2017
Annexes in respect of a client data request
Feb 28, 2017
Annexes in respect of a client data request
Feb 28, 2017
Letter accompanying subsequently filed items
Feb 28, 2017
Submission concerning a transfer of rights (applicant)
Sep 21, 2016
(Electronic) Receipt
Sep 21, 2016
Amended claims with annotations
Sep 21, 2016
Amended description with annotations
Sep 21, 2016
Claims
Sep 21, 2016
Description
Sep 21, 2016
Letter accompanying subsequently filed items
Sep 21, 2016
Reply to communication from the Examining Division
Jun 1, 2016
Annex to the communication
Jun 1, 2016
Communication from the Examining Division
Feb 8, 2016
(Electronic) Receipt
Feb 8, 2016
Letter accompanying subsequently filed items
Feb 8, 2016
Reply to communication from the Examining Division
Dec 18, 2015
Grant of extension of time limit (examination procedure)
Dec 15, 2015
(Electronic) Receipt
Dec 15, 2015
Letter accompanying subsequently filed items
Dec 15, 2015
Request for extension of time limit to communication from the Examining Division
Aug 20, 2015
Annex to the communication
Aug 20, 2015
Communication from the Examining Division
Aug 13, 2015
Examination started
Mar 11, 2014
(Electronic) Receipt
Mar 11, 2014
Amended claims filed after receipt of (European) search report
Mar 11, 2014
Amended claims with annotations
Mar 11, 2014
Amendments received before examination
Mar 11, 2014
Letter accompanying subsequently filed items
Sep 16, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Aug 14, 2013
Notification of forthcoming publication
Jul 29, 2013
Refund of fees
Jun 20, 2013
Communication regarding the transmission of the European search report
Jun 20, 2013
European search opinion
Jun 20, 2013
European search report
May 3, 2013
Communication to designated inventor
May 3, 2013
Communication to designated inventor
Apr 8, 2013
Letter accompanying subsequently filed items
Apr 8, 2013
Priority document
Mar 13, 2013
Priority search results copy provided by EPO
Mar 8, 2013
Abstract
Mar 8, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 8, 2013
Claims
Mar 8, 2013
Description
Mar 8, 2013
Designation of inventor
Mar 8, 2013
Designation of inventor
Mar 8, 2013
Priority search results
Mar 8, 2013
Request for grant of a European patent

EP2636694

NOVANCE

Application Number: EP13158480A
Filing Date: Mar 8, 2013
Status: Patent Maintained As Amended; Jan 27, 2023
Publication Date: Mar 1, 2023
External Links: Slate, Register , Google Patents

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Polyester Polyether Polyol

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Dossier Documents

EP2636694