Process For The Production Of Polyether Polyols

Patent No. EP2855559 (titled "Process For The Production Of Polyether Polyols") was filed by Huntsman on Apr 25, 2013. The application was issued on Mar 2, 2016.

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
COVESTRO DEUTSCHLAND	Nov 30, 2016	LEVPAT

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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Oct 11, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 7, 2022
Advice of delivery
Sep 29, 2022
Decision of the Board of Appeal
Sep 29, 2022
F3032 Notification(s) of the decision
Sep 29, 2022
F3032 Notification(s) of the decision
Jul 5, 2022
F3013 Oral Proceedings: Forwarding minutes
Jul 5, 2022
F3013 Oral Proceedings: Forwarding minutes
Jul 5, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jun 24, 2022
Oral proceedings: reply to date proposed
Jun 23, 2022
F3345 Forwarding of submissions to parties
Jun 23, 2022
F3345 Forwarding of submissions to parties
Jun 23, 2022
Oral proceedings: reply to date proposed
Jun 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 20, 2022
(Electronic) Receipt
Jun 20, 2022
Oral proceedings: reply to date proposed
Jun 3, 2022
Advice of delivery
May 27, 2022
Oral proceedings: change of venue
May 27, 2022
Oral proceedings: change of venue
May 20, 2022
(Electronic) Receipt
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Oral proceedings: reply to date proposed
May 17, 2022
F3018 Oral proceedings: Confirmation interpreters
May 17, 2022
F3018 Oral proceedings: Confirmation interpreters
May 17, 2022
F3039 Attendance note about a phone conversation and continuation sheet
Mar 29, 2022
F3345 Forwarding of submissions to parties
Mar 24, 2022
(Electronic) Receipt
Mar 24, 2022
Letter accompanying subsequently filed items
Mar 24, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 3, 2022
Communication concerning the filing of a power of attorney
Mar 3, 2022
Communication of amended entries concerning the representative
Mar 1, 2022
F3345 Forwarding of submissions to parties
Feb 23, 2022
(Electronic) Receipt
Feb 23, 2022
(Electronic) Receipt
Feb 23, 2022
Amended claims with annotations
Feb 23, 2022
Amended claims with annotations
Feb 23, 2022
Authorisation
Feb 23, 2022
Auxiliary request during appeals procedure - 01
Feb 23, 2022
Auxiliary request during appeals procedure - 02
Feb 23, 2022
Letter accompanying subsequently filed items
Feb 23, 2022
Letter accompanying subsequently filed items
Feb 23, 2022
Letter dealing with oral proceedings during the appeal procedure
Feb 23, 2022
Submission concerning change of applicant's representative
Nov 15, 2021
Request for change of applicant's representative
Jun 28, 2021
(Electronic) Receipt
Jun 28, 2021
Advice of delivery
Jun 23, 2021
F3011.1 Oral Proceedings: summons
Jun 23, 2021
F3011.1 Oral Proceedings: summons
Jun 18, 2021
F3010 Oral proceedings: order for summons
Jun 18, 2021
F3303.16 Change of composition of the Board (T)
Aug 29, 2019
F3345 Forwarding of submissions to parties
Aug 26, 2019
(Electronic) Receipt
Aug 26, 2019
Letter accompanying subsequently filed items
Aug 26, 2019
Reply to appeal
Aug 1, 2019
Composition of the board (T)
May 16, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 10, 2019
(Electronic) Receipt
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Non-Patent Literature cited during the appeal procedure
May 10, 2019
Statement of grounds of appeal
Mar 12, 2019
F3204 Communication of the file number to the parties
Mar 12, 2019
F3204 Communication of the file number to the parties
Mar 7, 2019
Processing of an appeal
Mar 6, 2019
(Electronic) Receipt
Mar 6, 2019
Letter accompanying subsequently filed items
Mar 6, 2019
Notice of appeal
Jan 14, 2019
(Electronic) Receipt
Jan 14, 2019
Advice of delivery
Jan 14, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Advice of delivery
Jan 8, 2019
Advice of delivery
Jan 3, 2019
Acknowledgement of a document
Jan 3, 2019
Acknowledgement of a document
Jan 3, 2019
Annex to the communication - opposition
Jan 3, 2019
Decision of the Opposition Division and instruction
Jan 3, 2019
Decision rejecting the opposition
Jan 3, 2019
Grounds for the decision (Annex) - opposition
Jan 3, 2019
Internal form - Opposition/addressees
Jan 3, 2019
Internal form - Opposition/addressees
Jan 3, 2019
Means of redress
Jan 3, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 3, 2019
Provision of a copy of the minutes - opposition procedure
Dec 17, 2018
Brief communication - Opposition proceedings
Dec 14, 2018
Information about the result of oral proceedings
Dec 12, 2018
Brief communication - Opposition proceedings
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
Any annexes (other than citation) to an opposition letter
Dec 11, 2018
Letter accompanying subsequently filed items
Dec 11, 2018
Written submission in preparation to/during oral proceedings
Dec 7, 2018
(Electronic) Receipt
Dec 7, 2018
Letter accompanying subsequently filed items
Dec 7, 2018
Written submission in preparation to/during oral proceedings
Oct 12, 2018
Brief communication - Opposition proceedings
Oct 4, 2018
(Electronic) Receipt
Oct 4, 2018
(Electronic) Receipt
Oct 4, 2018
Letter accompanying subsequently filed items
Oct 4, 2018
Letter accompanying subsequently filed items
Oct 4, 2018
Request for interpreters during oral proceedings
Oct 4, 2018
Written submission in preparation to/during oral proceedings
Aug 30, 2018
Brief communication - Opposition proceedings
Aug 24, 2018
(Electronic) Receipt
Aug 24, 2018
Citation in opposition procedure
Aug 24, 2018
Letter accompanying subsequently filed items
Aug 24, 2018
Written submission in preparation to/during oral proceedings
May 22, 2018
Brief communication - Opposition proceedings
May 22, 2018
Communication of amended entries concerning the representative
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Authorisation
Apr 26, 2018
Letter accompanying subsequently filed items
Apr 26, 2018
Letter regarding the opposition procedure (no time limit)
Apr 18, 2018
Advice of delivery
Apr 17, 2018
(Electronic) Receipt
Apr 17, 2018
Advice of delivery
Apr 17, 2018
Letter accompanying subsequently filed items
Apr 13, 2018
(Electronic) Receipt
Apr 13, 2018
Letter accompanying subsequently filed items
Apr 13, 2018
Submission concerning representation
Apr 13, 2018
Submission concerning representation
Apr 12, 2018
Advice of delivery
Apr 11, 2018
Advice of delivery
Apr 6, 2018
Acknowledgement of a document
Apr 6, 2018
Acknowledgement of a document
Apr 6, 2018
Annex to the communication - opposition
Apr 6, 2018
Information concerning oral proceedings
Apr 6, 2018
Preparation for oral proceedings
Apr 6, 2018
Summons to attend oral proceedings
Apr 6, 2018
Summons to attend oral proceedings
Jul 4, 2017
Brief communication - Opposition proceedings
Jul 3, 2017
Request for change of applicant's representative
Jun 29, 2017
(Electronic) Receipt
Jun 29, 2017
Letter accompanying subsequently filed items
Jun 29, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 17, 2017
Brief communication - Opposition proceedings
May 17, 2017
Grant of extension of time limit (opposition procedure)
May 11, 2017
(Electronic) Receipt
May 11, 2017
Letter accompanying subsequently filed items
May 11, 2017
Request for extension of time limit
Jan 11, 2017
Communication of a notice of opposition and request to file observations
Jan 11, 2017
Notice of further oppositions to opponent(s)
Dec 7, 2016
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2016
(Electronic) Receipt
Nov 30, 2016
Letter accompanying subsequently filed items
Nov 30, 2016
Non-patent literature cited during the opposition procedure
Nov 30, 2016
Notice of opposition
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Translation of the evidence during Opposition procedure
Mar 3, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 4, 2016
Decision to grant a European patent
Dec 17, 2015
(Electronic) Receipt
Dec 17, 2015
Filing of the translations of the claims
Dec 17, 2015
French translation of claims
Dec 17, 2015
German translation of the claims
Dec 17, 2015
Letter accompanying subsequently filed items
Oct 9, 2015
Bibliographic data of the European patent application
Oct 9, 2015
Communication about intention to grant a European patent
Oct 9, 2015
Intention to grant (signatures)
Oct 9, 2015
Text intended for grant
Sep 15, 2015
Examination started
Jul 13, 2015
(Electronic) Receipt
Jul 13, 2015
Letter accompanying subsequently filed items
Jul 13, 2015
Reply to Written Opinion prepared by the EPO
Mar 11, 2015
Notification on forthcoming publication of bibliographic data
Jan 23, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 21, 2015
Communication to designated inventor
Jan 21, 2015
Communication to designated inventor
Jan 16, 2015
Priority search results copy provided by EPO
Dec 16, 2014
Copy of the international preliminary report on patentability
Nov 3, 2014
(Electronic) Receipt
Nov 3, 2014
Request for entry into the European phase
Oct 10, 2014
Information on entry into European phase
Jan 2, 2014
Priority document (electronically transmitted)
Dec 5, 2013
Copy of the international search report
Dec 5, 2013
Published international application - A1
Oct 8, 2013
Notification of the recording of a change
Jun 19, 2013
Written opinion of the ISA, boxes No. I to VIII
Jun 19, 2013
Written opinion of the ISA, cover sheet
Jun 19, 2013
Written opinion of the ISA, supplemental box
Apr 25, 2013
(Electronic) Receipt
Apr 25, 2013
Abstract
Apr 25, 2013
Claims
Apr 25, 2013
Description
Apr 25, 2013
Priority document (RO-procedure)

EP2855559

HUNTSMAN

Application Number: EP13719505A
Filing Date: Apr 25, 2013
Status: Opposition Rejected; Oct 14, 2022
Publication Date: Mar 2, 2016
External Links: Slate, Register , Google Patents

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Process For The Production Of Polyether Polyols

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Dossier Documents

EP2855559