Method For Producing Polyether Polyols

Patent No. EP2734569 (titled "Method For Producing Polyether Polyols") was filed by Bayer on Jul 17, 2012. The application was issued on May 18, 2016.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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	Feb 17, 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

Jan 16, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jan 16, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 11, 2019
Termination of the opposition proceedings with maintenance of patent
Nov 15, 2018
Advice of delivery
Oct 22, 2018
Communication of amended entries
Oct 10, 2018
(Electronic) Receipt
Oct 10, 2018
Advice of delivery
Oct 10, 2018
Advice of delivery
Oct 10, 2018
Letter accompanying subsequently filed items
Oct 5, 2018
Advice of delivery
Oct 1, 2018
Acknowledgement of a document
Oct 1, 2018
Acknowledgement of a document
Oct 1, 2018
Annex to the communication - opposition
Oct 1, 2018
Decision of the Opposition Division and instruction
Oct 1, 2018
Decision rejecting the opposition
Oct 1, 2018
Grounds for the decision (Annex) - opposition
Oct 1, 2018
Internal form - Opposition/addressees
Oct 1, 2018
Internal form - Opposition/addressees
Oct 1, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 1, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 1, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 1, 2018
Provision of a copy of the minutes - opposition procedure
Jul 13, 2018
Brief communication - Opposition proceedings
Jul 11, 2018
Brief communication - Opposition proceedings
Jul 11, 2018
Information about the result of oral proceedings
Jul 9, 2018
(Electronic) Receipt
Jul 9, 2018
Any annexes (other than citation) to an opposition letter
Jul 9, 2018
Letter accompanying subsequently filed items
Jul 9, 2018
Written submission in preparation to/during oral proceedings
Jul 6, 2018
(Electronic) Receipt
Jul 6, 2018
Any annexes (other than citation) to an opposition letter
Jul 6, 2018
Letter accompanying subsequently filed items
Jul 6, 2018
Written submission in preparation to/during oral proceedings
Jun 25, 2018
Brief communication - Opposition proceedings
Jun 25, 2018
Brief communication - Opposition proceedings
Jun 19, 2018
Brief communication - Opposition proceedings
Jun 14, 2018
(Electronic) Receipt
Jun 14, 2018
Letter accompanying subsequently filed items
Jun 14, 2018
Written submission in preparation to/during oral proceedings
May 16, 2018
Brief communication - Opposition proceedings
May 15, 2018
Brief communication - Opposition proceedings
May 11, 2018
(Electronic) Receipt
May 11, 2018
Any annexes (other than citation) to an opposition letter
May 11, 2018
Letter accompanying subsequently filed items
May 11, 2018
Written submission in preparation to/during oral proceedings
May 9, 2018
(Electronic) Receipt
May 9, 2018
Letter accompanying subsequently filed items
May 9, 2018
Request for interpreters during oral proceedings
Feb 14, 2018
Advice of delivery
Jan 4, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Advice of delivery
Jan 2, 2018
Advice of delivery
Dec 22, 2017
Acknowledgement of a document
Dec 22, 2017
Acknowledgement of a document
Dec 22, 2017
Annex to the communication - opposition
Dec 22, 2017
Information concerning oral proceedings
Dec 22, 2017
Preparation for oral proceedings
Dec 22, 2017
Summons to attend oral proceedings
Dec 22, 2017
Summons to attend oral proceedings
Dec 21, 2017
(Electronic) Receipt
Dec 21, 2017
Any annexes (other than citation) to an opposition letter
Dec 21, 2017
Letter accompanying subsequently filed items
Dec 21, 2017
Letter regarding the opposition procedure (no time limit)
Dec 15, 2017
Brief communication - Opposition proceedings
Dec 11, 2017
(Electronic) Receipt
Dec 11, 2017
Letter accompanying subsequently filed items
Dec 11, 2017
Letter regarding the opposition procedure (no time limit)
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 9, 2017
(Electronic) Receipt
Oct 9, 2017
Amended claims with annotations
Oct 9, 2017
Amended claims with annotations
Oct 9, 2017
Any annexes (other than citation) to an opposition letter
Oct 9, 2017
Auxiliary request during Opposition procedure
Oct 9, 2017
Auxiliary request during Opposition procedure
Oct 9, 2017
Letter accompanying subsequently filed items
Oct 9, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 28, 2017
Brief communication - Opposition proceedings
Jul 28, 2017
Grant of extension of time limit (opposition procedure)
Jul 25, 2017
(Electronic) Receipt
Jul 25, 2017
Letter accompanying subsequently filed items
Jul 25, 2017
Request for extension of time limit
Jul 21, 2017
Brief communication - Opposition proceedings
Jul 21, 2017
Rejection of request for extension of time limit
Jul 14, 2017
(Electronic) Receipt
Jul 14, 2017
Request for extension of time limit
Mar 28, 2017
Communication of a notice of opposition and request to file observations
Mar 28, 2017
Notice of further oppositions to opponent(s)
Feb 23, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 17, 2017
(Electronic) Receipt
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Non-patent literature cited during the opposition procedure
Feb 17, 2017
Notice of opposition
Feb 17, 2017
Notice of opposition
Feb 17, 2017
Patent document cited during the opposition procedure
Feb 17, 2017
Patent document cited during the opposition procedure
May 19, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2016
Decision to grant a European patent
Mar 30, 2016
(Electronic) Receipt
Mar 30, 2016
English translation of the claims
Mar 30, 2016
Filing of the translations of the claims
Mar 30, 2016
French translation of claims
Mar 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 (clean copy)
Mar 17, 2016
Text intended for grant (version for approval)
Feb 17, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 21, 2015
(Electronic) Receipt
Dec 21, 2015
Amended claims with annotations
Dec 21, 2015
Claims
Dec 21, 2015
Letter accompanying subsequently filed items
Dec 21, 2015
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 30, 2015
Communication of amended entries concerning the representative
Sep 30, 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 a transfer of rights (applicant)
Sep 3, 2015
Bibliographic data of the European patent application
Sep 3, 2015
Communication about intention to grant a European patent
Sep 3, 2015
Intention to grant (signatures)
Sep 3, 2015
Text intended for grant
Aug 31, 2015
Confirmation of revocation of automatic debit order
Aug 17, 2015
Letter relating to the automatic debiting procedure
Aug 4, 2015
Examination started
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Sep 3, 2014
(Electronic) Receipt
Sep 3, 2014
Amendments received before examination
Sep 3, 2014
Letter accompanying subsequently filed items
Sep 3, 2014
Reply to Written Opinion prepared by the EPO
Apr 30, 2014
Notification on forthcoming publication of bibliographic data
Feb 28, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 21, 2014
Priority search results copy provided by EPO
Feb 6, 2014
Copy of the international preliminary report on patentability
Jan 3, 2014
(Electronic) Receipt
Jan 3, 2014
General authorisation
Jan 3, 2014
Letter concerning the inventor
Jan 3, 2014
Request for entry into the European phase
Nov 29, 2013
Information on entry into European phase
Jun 6, 2013
Notification of the recording of a change
Jun 6, 2013
Notification of the recording of a change
Apr 16, 2013
Submission concerning a transfer of rights (applicant)
Feb 13, 2013
Priority document (electronically transmitted)
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
Published international application - A1
Oct 8, 2012
Written opinion of the ISA, boxes No. I to VIII
Oct 8, 2012
Written opinion of the ISA, cover sheet
Oct 8, 2012
Written opinion of the ISA, supplemental box
Sep 21, 2012
Submission concerning representation
Jul 17, 2012
(Electronic) Receipt
Jul 17, 2012
Abstract
Jul 17, 2012
Claims
Jul 17, 2012
Description
Jul 17, 2012
Priority document (RO-procedure)

EP2734569

BAYER

Application Number: EP12738437A
Filing Date: Jul 17, 2012
Status: Opposition Rejected; Jan 18, 2019
Publication Date: May 18, 2016
External Links: Slate, Register , Google Patents

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Method For Producing Polyether Polyols

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Dossier Documents

EP2734569