Method For Producing Polyether Carbonate Polyols

Patent No. EP2917264 (titled "Method For Producing Polyether Carbonate Polyols") was filed by Bayer Materialscience on Nov 6, 2013. The application was issued on Apr 29, 2020.

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
REPSOL	May 24, 2017	ABG PATENTES

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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Apr 2, 2020
Decision to maintain the European patent in amended form
Apr 2, 2020
Decision to maintain the European patent in amended form
Mar 27, 2020
Termination of the opposition proceedings with maintenance of patent
Mar 19, 2020
(Electronic) Receipt
Mar 19, 2020
English translation of the claims
Mar 19, 2020
Filing of the translation of the amended claims
Mar 19, 2020
French translation of claims
Mar 19, 2020
Letter accompanying subsequently filed items
Jan 29, 2020
Advice of delivery
Jan 27, 2020
(Electronic) Receipt
Jan 27, 2020
Advice of delivery
Jan 27, 2020
Letter accompanying subsequently filed items
Jan 24, 2020
Communication of bibliographic data
Jan 24, 2020
Communication to opponent concerning maintenance
Jan 24, 2020
Communication with request to file translations
Jan 22, 2020
Acknowledgement of a document
Jan 22, 2020
Acknowledgement of a document
Jan 22, 2020
Annex to the communication - opposition
Jan 22, 2020
Brief communication - Opposition proceedings
Jan 22, 2020
Brief communication - Opposition proceedings
Jan 22, 2020
Decision of the Opposition Division and instruction
Jan 22, 2020
Druckexemplar in opposition procedure
Jan 17, 2020
Maintenance of the patent with the documents specified in the final decision
Oct 18, 2019
Brief communication in opposition procedure - time limit
Oct 18, 2019
Brief communication in opposition procedure - time limit
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 9, 2019
(Electronic) Receipt
Oct 9, 2019
Letter accompanying subsequently filed items
Oct 9, 2019
Reply to an examination report in opposition proceedings
Aug 5, 2019
Brief communication - Opposition proceedings
Aug 5, 2019
Communication of amended entries
Aug 2, 2019
Brief communication in opposition procedure - time limit
Aug 2, 2019
Brief communication in opposition procedure - time limit
Jul 17, 2019
Request concerning representative opponent
Mar 22, 2019
Brief communication - Opposition proceedings
Mar 19, 2019
(Electronic) Receipt
Mar 19, 2019
Claims
Mar 19, 2019
Letter accompanying subsequently filed items
Mar 19, 2019
Letter regarding the opposition procedure (no time limit)
Jan 7, 2019
Advice of delivery
Jan 4, 2019
(Electronic) Receipt
Jan 4, 2019
Advice of delivery
Jan 4, 2019
Letter accompanying subsequently filed items
Dec 13, 2018
Advice of delivery
Dec 12, 2018
Advice of delivery
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Annex to the communication - opposition
Dec 7, 2018
Decision of the Opposition Division and instruction
Dec 7, 2018
Druckexemplar in opposition procedure
Dec 7, 2018
Grounds for the decision (Annex) - opposition
Dec 7, 2018
Interlocutory decision in opposition proceedings
Dec 7, 2018
Internal form - Opposition/addressees
Dec 7, 2018
Internal form - Opposition/addressees
Dec 7, 2018
Means of redress
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 7, 2018
Provision of a copy of the minutes - opposition procedure
Dec 7, 2018
Scanned annex to a communication - opposition procedure
Nov 14, 2018
Information about the result of oral proceedings
Oct 23, 2018
Brief communication - Opposition proceedings
Oct 22, 2018
Communication of amended entries
Oct 15, 2018
(Electronic) Receipt
Oct 15, 2018
Letter accompanying subsequently filed items
Oct 15, 2018
Written submission in preparation to/during oral proceedings
Sep 20, 2018
Brief communication - Opposition proceedings
Sep 17, 2018
Brief communication - Opposition proceedings
Sep 14, 2018
(Electronic) Receipt
Sep 14, 2018
Amended claims with annotations
Sep 14, 2018
Amended claims with annotations
Sep 14, 2018
Amended claims with annotations
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Letter accompanying subsequently filed items
Sep 14, 2018
Written submission in preparation to/during oral proceedings
Sep 11, 2018
(Electronic) Receipt
Sep 11, 2018
Brief communication - Opposition proceedings
Sep 11, 2018
Letter accompanying subsequently filed items
Sep 11, 2018
Written submission in preparation to/during oral proceedings
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Letter accompanying subsequently filed items
Sep 5, 2018
Written submission in preparation to/during oral proceedings
Apr 12, 2018
Advice of delivery
Mar 28, 2018
Advice of delivery
Mar 26, 2018
Advice of delivery
Mar 21, 2018
Acknowledgement of a document
Mar 21, 2018
Acknowledgement of a document
Mar 21, 2018
Annex to the communication - opposition
Mar 21, 2018
Information concerning oral proceedings
Mar 21, 2018
Summons to attend oral proceedings
Mar 21, 2018
Summons to attend oral proceedings
Mar 16, 2018
Preparation for oral proceedings
Jan 4, 2018
Brief communication - Opposition proceedings
Dec 21, 2017
(Electronic) Receipt
Dec 21, 2017
Amended claims with annotations
Dec 21, 2017
Amended claims with annotations
Dec 21, 2017
Any annexes (other than citation) to an opposition letter
Dec 21, 2017
Auxiliary request during Opposition procedure
Dec 21, 2017
Auxiliary request during Opposition procedure
Dec 21, 2017
Letter accompanying subsequently filed items
Dec 21, 2017
Reply of the patent proprietor to the notice(s) of opposition
Nov 14, 2017
Brief communication - Opposition proceedings
Nov 14, 2017
Grant of extension of time limit (opposition procedure)
Nov 8, 2017
(Electronic) Receipt
Nov 8, 2017
Letter accompanying subsequently filed items
Nov 8, 2017
Request for extension of time limit
Jun 30, 2017
Communication of a notice of opposition and request to file observations
Jun 30, 2017
Notice of further oppositions to opponent(s)
Jun 1, 2017
Communication of a notice of opposition - first information to patent proprietor
May 24, 2017
(Electronic) Receipt
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Notice of opposition
May 24, 2017
Notice of opposition
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
May 24, 2017
Patent document cited during the opposition procedure
Oct 10, 2016
Submission concerning representation
Aug 25, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 28, 2016
Decision to grant a European patent
Jun 30, 2016
(Electronic) Receipt
Jun 30, 2016
English translation of the claims
Jun 30, 2016
Filing of the translations of the claims
Jun 30, 2016
French translation of claims
Jun 30, 2016
Letter accompanying subsequently filed items
Mar 17, 2016
Bibliographic data of the European patent application
Mar 17, 2016
Communication about intention to grant a European patent
Mar 17, 2016
Intention to grant (signatures)
Mar 17, 2016
Text intended for grant
Feb 23, 2016
Examination started
Nov 9, 2015
(Electronic) Receipt
Nov 9, 2015
Amended description filed after receipt of (European) search report
Nov 9, 2015
Amendments received before examination
Nov 9, 2015
Letter accompanying subsequently filed items
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
Sep 1, 2015
Confirmation of revocation of automatic debit order
Aug 19, 2015
Notification on forthcoming publication of bibliographic data
Aug 17, 2015
Letter relating to the automatic debiting procedure
Jun 19, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 17, 2015
Communication to designated inventor
Jun 17, 2015
Communication to designated inventor
Jun 12, 2015
Priority search results copy provided by EPO
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 27, 2015
Copy of the international preliminary report on patentability
Mar 26, 2015
(Electronic) Receipt
Mar 26, 2015
Request for entry into the European phase
Mar 20, 2015
Information on entry into European phase
Jun 3, 2014
Priority document (electronically transmitted)
Jun 3, 2014
Priority document (electronically transmitted)
May 15, 2014
Copy of the international search report
May 15, 2014
Copy of the international search report
May 15, 2014
Published international application - A1
Dec 3, 2013
Written opinion of the ISA, boxes No. I to VIII
Dec 3, 2013
Written opinion of the ISA, cover sheet
Dec 3, 2013
Written opinion of the ISA, supplemental box
Nov 6, 2013
(Electronic) Receipt
Nov 6, 2013
Abstract
Nov 6, 2013
Claims
Nov 6, 2013
Description
Nov 6, 2013
Priority document (RO-procedure)
Nov 6, 2013
Priority document (RO-procedure)

EP2917264

BAYER MATERIALSCIENCE

Application Number: EP13788740A
Filing Date: Nov 6, 2013
Status: Patent Maintained As Amended; Mar 27, 2020
Publication Date: Apr 29, 2020
External Links: Slate, Register , Google Patents

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Method For Producing Polyether Carbonate Polyols

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Dossier Documents

EP2917264