Method For Producing Polyether Carbonate Polyols

Patent No. EP2571922 (titled "Method For Producing Polyether Carbonate Polyols") was filed by Bayer on May 13, 2011. The application was issued on Jun 25, 2014.

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	Mar 23, 2015	JANE BONET

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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Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Advice of delivery
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Termination of the opposition proceedings with revocation of patent
Jul 21, 2020
Communication about missing proof of delivery
Mar 5, 2020
Advice of delivery
Feb 19, 2020
Decision of the Board of Appeal
Feb 19, 2020
F3032 Notification(s) of the decision
Feb 19, 2020
F3032 Notification(s) of the decision
Jan 31, 2020
F3013 Oral Proceedings: Forwarding minutes
Jan 31, 2020
F3013 Oral Proceedings: Forwarding minutes
Jan 31, 2020
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Dec 19, 2019
F3345 Forwarding of submissions to parties
Dec 16, 2019
(Electronic) Receipt
Dec 16, 2019
Letter accompanying subsequently filed items
Dec 16, 2019
Letter dealing with oral proceedings during the appeal procedure
Nov 27, 2019
F3345 Forwarding of submissions to parties
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
Letter accompanying subsequently filed items
Nov 21, 2019
Letter dealing with oral proceedings during the appeal procedure
Oct 10, 2019
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2019
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 25, 2019
Advice of delivery
Jul 11, 2019
(Electronic) Receipt
Jul 11, 2019
Advice of delivery
Jul 11, 2019
Advice of delivery
Jul 11, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Advice of delivery
Jul 2, 2019
F3011.1 Oral Proceedings: summons
Jul 2, 2019
F3011.1 Oral Proceedings: summons
Jun 27, 2019
F3010 Oral proceedings: order for summons
Aug 2, 2017
F3345 Forwarding of submissions to parties
Jul 27, 2017
(Electronic) Receipt
Jul 27, 2017
Letter accompanying subsequently filed items
Jul 27, 2017
Reply to appeal
Apr 21, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 18, 2017
Composition of the board (T)
Apr 13, 2017
(Electronic) Receipt
Apr 13, 2017
Letter accompanying subsequently filed items
Apr 13, 2017
Statement of grounds of appeal
Feb 16, 2017
Advice of delivery
Jan 24, 2017
F3204 Communication of the file number to the parties
Jan 24, 2017
F3204 Communication of the file number to the parties
Jan 16, 2017
Processing of an appeal
Jan 13, 2017
(Electronic) Receipt
Jan 13, 2017
(Electronic) Receipt
Jan 13, 2017
Advice of delivery
Jan 13, 2017
Letter accompanying subsequently filed items
Jan 13, 2017
Letter accompanying subsequently filed items
Jan 13, 2017
Notice of appeal
Dec 29, 2016
Advice of delivery
Dec 20, 2016
Advice of delivery
Dec 19, 2016
Acknowledgement of a document
Dec 19, 2016
Acknowledgement of a document
Dec 19, 2016
Annex to the communication - opposition
Dec 19, 2016
Decision of the Opposition Division and instruction
Dec 19, 2016
Decision revoking the European patent
Dec 19, 2016
Grounds for the decision (Annex) - opposition
Dec 19, 2016
Internal form - Opposition/addressees
Dec 19, 2016
Internal form - Opposition/addressees
Dec 19, 2016
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 19, 2016
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 19, 2016
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 19, 2016
Provision of a copy of the minutes - opposition procedure
Nov 30, 2016
Information about the result of oral proceedings
Oct 12, 2016
Brief communication - Opposition proceedings
Sep 30, 2016
(Electronic) Receipt
Sep 30, 2016
Any annexes (other than citation) to an opposition letter
Sep 30, 2016
Letter accompanying subsequently filed items
Sep 30, 2016
Written submission in preparation to/during oral proceedings
Sep 28, 2016
Brief communication - Opposition proceedings
Sep 28, 2016
Brief communication - Opposition proceedings
Sep 23, 2016
(Electronic) Receipt
Sep 23, 2016
Letter accompanying subsequently filed items
Sep 23, 2016
Request for interpreters during oral proceedings
Sep 22, 2016
(Electronic) Receipt
Sep 22, 2016
Letter accompanying subsequently filed items
Sep 22, 2016
Request for interpreters during oral proceedings
Feb 26, 2016
Advice of delivery
Feb 1, 2016
Advice of delivery
Jan 16, 2016
Advice of delivery
Jan 11, 2016
Advice of delivery
Jan 4, 2016
Acknowledgement of a document
Jan 4, 2016
Acknowledgement of a document
Jan 4, 2016
Annex to the communication - opposition
Jan 4, 2016
Preparation for oral proceedings
Jan 4, 2016
Summons to attend oral proceedings
Jan 4, 2016
Summons to attend oral proceedings
Nov 23, 2015
Brief communication - Opposition proceedings
Nov 17, 2015
(Electronic) Receipt
Nov 17, 2015
Any annexes (other than citation) to an opposition letter
Nov 17, 2015
Letter accompanying subsequently filed items
Nov 17, 2015
Reply of the patent proprietor to the notice(s) of opposition
Nov 10, 2015
Communication of amended entries concerning the representative
Nov 10, 2015
Communication of the registration of a transfer or change of name and/or address
Aug 28, 2015
Brief communication - Opposition proceedings
Aug 28, 2015
Grant of extension of time limit (opposition procedure)
Aug 27, 2015
Confirmation of revocation of automatic debit order
Aug 25, 2015
(Electronic) Receipt
Aug 25, 2015
Request for extension of time limit
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 15, 2015
Communication of a notice of opposition and request to file observations
May 15, 2015
Notice of further oppositions to opponent(s)
May 8, 2015
Fax filed during the opposition procedure
May 8, 2015
Fax filed during the opposition procedure
Apr 29, 2015
Communication of a notice of opposition and request to file observations
Apr 29, 2015
Notice of further oppositions to opponent(s)
Mar 26, 2015
Communication of a notice of opposition - first information to patent proprietor
Mar 23, 2015
(Electronic) Receipt
Mar 23, 2015
Notice of opposition
Mar 23, 2015
Notice of opposition
Mar 23, 2015
Patent document cited during the opposition procedure
Mar 23, 2015
Patent document cited during the opposition procedure
Mar 23, 2015
Patent document cited during the opposition procedure
Mar 23, 2015
Patent document cited during the opposition procedure
Mar 23, 2015
Patent document cited during the opposition procedure
Mar 23, 2015
Patent document cited during the opposition procedure
Jun 27, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 30, 2014
Decision to grant a European patent
Apr 24, 2014
Communication regarding the forthcoming grant
Apr 10, 2014
(Electronic) Receipt
Apr 10, 2014
English translation of the claims
Apr 10, 2014
Filing of the translations of the claims
Apr 10, 2014
French translation of claims
Apr 10, 2014
Letter accompanying subsequently filed items
Jan 8, 2014
Bibliographic data of the European patent application
Jan 8, 2014
Communication about intention to grant a European patent
Jan 8, 2014
Intention to grant (signatures)
Jan 8, 2014
Text intended for grant
Dec 4, 2013
Examination started
Jul 16, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jul 5, 2013
Amended claims filed after receipt of (European) search report
Jul 5, 2013
Amended claims with annotations
Jul 5, 2013
Amendments received before examination
May 24, 2013
Submission concerning change of applicant's representative
Feb 27, 2013
Notification on forthcoming publication of bibliographic data
Jan 8, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 4, 2013
Communication to designated inventor
Jan 4, 2013
Communication to designated inventor
Jan 4, 2013
Communication to designated inventor
Jan 4, 2013
Communication to designated inventor
Dec 5, 2012
Copy of the international preliminary report on patentability
Nov 21, 2012
(Electronic) Receipt
Nov 21, 2012
Annex
Nov 21, 2012
Request for entry into the European phase
Oct 23, 2012
Notification of the recording of a change
Oct 23, 2012
Notification of the recording of a change
Sep 28, 2012
Information on entry into European phase
Sep 21, 2012
Submission concerning a transfer of rights (applicant)
Dec 12, 2011
Priority document (electronically transmitted)
Nov 24, 2011
Copy of the international search report
Nov 24, 2011
Published international application - A1
Oct 31, 2011
Written opinion of the ISA, boxes No. I to VIII
Oct 31, 2011
Written opinion of the ISA, cover sheet
Oct 31, 2011
Written opinion of the ISA, supplemental box
Jun 17, 2011
Submission concerning representation
May 13, 2011
(Electronic) Receipt
May 13, 2011
Abstract
May 13, 2011
Claims
May 13, 2011
Description
May 13, 2011
Priority document (RO-procedure)

EP2571922

BAYER

Application Number: EP11719029A
Filing Date: May 13, 2011
Status: Revoked; Jul 31, 2020
Publication Date: Jun 25, 2014
External Links: Slate, Register , Google Patents

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Method For Producing Polyether Carbonate Polyols

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Dossier Documents

EP2571922