Polycarbonate Diol

Patent No. EP2213696 (titled "Polycarbonate Diol") was filed by Asahi Kasei Chemicals on Nov 4, 2008. The application was issued on Oct 19, 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
GOLDBACH	Jul 19, 2017	GRUNECKER PATENT

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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May 3, 2023
Termination of the opposition proceedings with revocation of patent
Apr 28, 2023
Decision of the Board of Appeal
Apr 28, 2023
F3032 Notification(s) of the decision
Apr 28, 2023
F3032 Notification(s) of the decision
Feb 20, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 20, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 20, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
Annexes (other than cited documents) regarding appeal procedure
Feb 2, 2023
F3345 Forwarding of submissions to parties
Feb 2, 2023
Letter accompanying subsequently filed items
Feb 2, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 19, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 19, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 16, 2023
F3345 Forwarding of submissions to parties
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 13, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 4, 2023
Oral proceedings: change of venue
Jan 4, 2023
Oral proceedings: change of venue
Dec 23, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2022
(Electronic) Receipt
Dec 22, 2022
Letter accompanying subsequently filed items
Dec 22, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 21, 2022
F3345 Forwarding of submissions to parties
Dec 20, 2022
(Electronic) Receipt
Dec 20, 2022
Letter accompanying subsequently filed items
Dec 20, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 14, 2022
F3022 Oral proceedings: change of board composition
Dec 14, 2022
F3022 Oral proceedings: change of board composition
Dec 9, 2022
F3303.16 Change of composition of the Board (T)
Dec 8, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 8, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 30, 2022
(Electronic) Receipt
Nov 30, 2022
General enquiry
Nov 30, 2022
Letter accompanying subsequently filed items
Jun 15, 2022
F3345 Forwarding of submissions to parties
Jun 10, 2022
(Electronic) Receipt
Jun 10, 2022
Letter accompanying subsequently filed items
Jun 10, 2022
Letter dealing with oral proceedings during the appeal procedure
Jun 8, 2022
F3011.1 Oral Proceedings: summons
Jun 8, 2022
F3011.1 Oral Proceedings: summons
Jun 2, 2022
F3010 Oral proceedings: order for summons
Jun 2, 2022
F3303.16 Change of composition of the Board (T)
Mar 10, 2022
F3345 Forwarding of submissions to parties
Mar 7, 2022
(Electronic) Receipt
Mar 7, 2022
Letter accompanying subsequently filed items
Mar 7, 2022
Letter relating to Appeal Procedure
Oct 22, 2021
F3345 Forwarding of submissions to parties
Oct 19, 2021
(Electronic) Receipt
Oct 19, 2021
Letter accompanying subsequently filed items
Oct 19, 2021
Letter relating to Appeal Procedure
Nov 12, 2020
F3345 Forwarding of submissions to parties
Nov 9, 2020
(Electronic) Receipt
Nov 9, 2020
Cited document during appeal procedure
Nov 9, 2020
Composition of the board (T)
Nov 9, 2020
Letter accompanying subsequently filed items
Nov 9, 2020
Patent Document cited during the appeal procedure
Nov 9, 2020
Patent Document cited during the appeal procedure
Nov 9, 2020
Reply to appeal
Jun 29, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 24, 2020
(Electronic) Receipt
Jun 24, 2020
Cited document during appeal procedure
Jun 24, 2020
Letter accompanying subsequently filed items
Jun 24, 2020
Letter relating to Appeal Procedure
May 29, 2020
(Electronic) Receipt
May 29, 2020
Cited document during appeal procedure
May 29, 2020
Cited document during appeal procedure
May 29, 2020
Letter accompanying subsequently filed items
May 29, 2020
Statement of grounds of appeal
Mar 30, 2020
F3204 Communication of the file number to the parties
Mar 30, 2020
F3204 Communication of the file number to the parties
Mar 20, 2020
(Electronic) Receipt
Mar 20, 2020
Letter accompanying subsequently filed items
Mar 20, 2020
Notice of appeal
Jan 24, 2020
Advice of delivery
Jan 22, 2020
Advice of delivery
Jan 21, 2020
Acknowledgement of a document
Jan 21, 2020
Acknowledgement of a document
Jan 21, 2020
Annex to the communication - opposition
Jan 21, 2020
Decision of the Opposition Division and instruction
Jan 21, 2020
Decision rejecting the opposition
Jan 21, 2020
Grounds for the decision (Annex) - opposition
Jan 21, 2020
Internal form - Opposition/addressees
Jan 21, 2020
Internal form - Opposition/addressees
Jan 21, 2020
Means of redress
Jan 21, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 21, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 21, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 21, 2020
Provision of a copy of the minutes - opposition procedure
Dec 5, 2019
Information about the result of oral proceedings
Dec 4, 2019
Brief communication - Opposition proceedings
Nov 29, 2019
(Electronic) Receipt
Nov 29, 2019
Any annexes (other than citation) to an opposition letter
Nov 29, 2019
Letter accompanying subsequently filed items
Nov 29, 2019
Non-patent literature cited during the opposition procedure
Nov 29, 2019
Written submission in preparation to/during oral proceedings
Oct 10, 2019
Brief communication - Opposition proceedings
Oct 10, 2019
Brief communication - Opposition proceedings
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Amended claims with annotations
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Claims
Oct 4, 2019
Letter accompanying subsequently filed items
Oct 4, 2019
Non-patent literature cited during the opposition procedure
Oct 4, 2019
Written submission in preparation to/during oral proceedings
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Non-patent literature cited during the opposition procedure
Oct 2, 2019
Written submission in preparation to/during oral proceedings
Apr 15, 2019
Advice of delivery
Apr 10, 2019
Advice of delivery
Apr 10, 2019
Advice of delivery
Apr 8, 2019
Advice of delivery
Apr 5, 2019
Acknowledgement of a document
Apr 5, 2019
Acknowledgement of a document
Apr 5, 2019
Information concerning oral proceedings
Apr 5, 2019
Summons to attend oral proceedings
Apr 5, 2019
Summons to attend oral proceedings
Apr 4, 2019
Notification concerning the date of oral proceedings
Apr 4, 2019
Notification concerning the date of oral proceedings
Apr 1, 2019
Brief communication - Opposition proceedings
Apr 1, 2019
Brief communication - Opposition proceedings
Mar 27, 2019
Written submission in preparation to/during oral proceedings
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Citation in opposition procedure
Mar 26, 2019
Citation in opposition procedure
Mar 26, 2019
Citation in opposition procedure
Mar 26, 2019
Citation in opposition procedure
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Written submission in preparation to/during oral proceedings
Mar 22, 2019
Brief communication - Opposition proceedings
Mar 19, 2019
Written submission in preparation to/during oral proceedings
Mar 19, 2019
Written submission in preparation to/during oral proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 5, 2019
Brief communication - Opposition proceedings
Feb 1, 2019
Any annexes (other than citation) to an opposition letter
Feb 1, 2019
Any annexes (other than citation) to an opposition letter
Feb 1, 2019
Written submission in preparation to/during oral proceedings
Jan 29, 2019
(Electronic) Receipt
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Citation in opposition procedure
Jan 29, 2019
Citation in opposition procedure
Jan 29, 2019
Claims
Jan 29, 2019
Claims
Jan 29, 2019
Claims
Jan 29, 2019
Claims
Jan 29, 2019
Claims
Jan 29, 2019
Letter accompanying subsequently filed items
Jan 29, 2019
Written submission in preparation to/during oral proceedings
Jan 28, 2019
Brief communication - Opposition proceedings
Jan 18, 2019
Citation in opposition procedure
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Written submission in preparation to/during oral proceedings
Jan 2, 2019
Brief communication - Opposition proceedings
Dec 17, 2018
(Electronic) Receipt
Dec 17, 2018
Citation in opposition procedure
Dec 17, 2018
Citation in opposition procedure
Dec 17, 2018
Citation in opposition procedure
Dec 17, 2018
Citation in opposition procedure
Dec 17, 2018
Citation in opposition procedure
Dec 17, 2018
Letter accompanying subsequently filed items
Dec 17, 2018
Written submission in preparation to/during oral proceedings
Sep 24, 2018
Advice of delivery
Sep 24, 2018
Advice of delivery
Sep 21, 2018
Advice of delivery
Sep 19, 2018
Advice of delivery
Sep 17, 2018
Acknowledgement of a document
Sep 17, 2018
Acknowledgement of a document
Sep 17, 2018
Information concerning oral proceedings
Sep 17, 2018
Summons to attend oral proceedings
Sep 17, 2018
Summons to attend oral proceedings
Aug 8, 2018
Notification concerning the date of oral proceedings
Aug 8, 2018
Notification concerning the date of oral proceedings
Jul 30, 2018
Brief communication - Opposition proceedings
Jul 24, 2018
Advice of delivery
Jul 23, 2018
Any annexes (other than citation) to an opposition letter
Jul 23, 2018
Oral proceedings: Request for postponement
Jul 20, 2018
Advice of delivery
Jul 20, 2018
Advice of delivery
Jul 17, 2018
Acknowledgement of a document
Jul 17, 2018
Acknowledgement of a document
Jul 17, 2018
Annex to the communication - opposition
Jul 17, 2018
Information concerning oral proceedings
Jul 17, 2018
Preparation for oral proceedings
Jul 17, 2018
Summons to attend oral proceedings
Jul 17, 2018
Summons to attend oral proceedings
Jul 3, 2018
Brief communication - Opposition proceedings
Jun 29, 2018
Brief communication - Opposition proceedings
Jun 25, 2018
Letter regarding the opposition procedure (no time limit)
Jun 25, 2018
Translation of the evidence during Opposition procedure
Jun 21, 2018
Letter regarding the opposition procedure (no time limit)
Jun 21, 2018
Non-patent literature cited during the opposition procedure
Jun 21, 2018
Non-patent literature cited during the opposition procedure
Jun 21, 2018
Non-patent literature cited during the opposition procedure
Jun 21, 2018
Non-patent literature cited during the opposition procedure
Jun 21, 2018
Patent document cited during the opposition procedure
Mar 8, 2018
Brief communication - Opposition proceedings
Mar 1, 2018
(Electronic) Receipt
Mar 1, 2018
Amended claims with annotations
Mar 1, 2018
Amended claims with annotations
Mar 1, 2018
Amended claims with annotations
Mar 1, 2018
Amended claims with annotations
Mar 1, 2018
Citation in opposition procedure
Mar 1, 2018
Citation in opposition procedure
Mar 1, 2018
Citation in opposition procedure
Mar 1, 2018
Citation in opposition procedure
Mar 1, 2018
Citation in opposition procedure
Mar 1, 2018
Claims
Mar 1, 2018
Claims
Mar 1, 2018
Claims
Mar 1, 2018
Claims
Mar 1, 2018
Letter accompanying subsequently filed items
Mar 1, 2018
Reply of the patent proprietor to the notice(s) of opposition
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Grant of extension of time limit (opposition procedure)
Nov 27, 2017
(Electronic) Receipt
Nov 27, 2017
Letter accompanying subsequently filed items
Nov 27, 2017
Request for extension of time limit
Aug 23, 2017
Communication of a notice of opposition and request to file observations
Aug 23, 2017
Notice of further oppositions to opponent(s)
Jul 27, 2017
CDS Clean up - amended data concerning the representative of the opponent (Association)
Jul 26, 2017
Communication of a notice of opposition - first information to patent proprietor
Jul 19, 2017
Letter accompanying subsequently filed items
Jul 19, 2017
Non-patent literature cited during the opposition procedure
Jul 19, 2017
Notice of opposition
Jul 19, 2017
Notice of opposition
Jul 19, 2017
Patent document cited during the opposition procedure
Jul 19, 2017
Patent document cited during the opposition procedure
Jul 19, 2017
Patent document cited during the opposition procedure
Jul 19, 2017
Patent document cited during the opposition procedure
Jul 19, 2017
Patent document cited during the opposition procedure
Jul 19, 2017
Payment of fees and costs
Oct 19, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 22, 2016
Decision to grant a European patent
Aug 16, 2016
(Electronic) Receipt
Aug 16, 2016
Filing of the translations of the claims
Aug 16, 2016
French translation of claims
Aug 16, 2016
German translation of the claims
Aug 16, 2016
Letter accompanying subsequently filed items
Aug 8, 2016
Communication of the registration of a transfer or change of name and/or address
Aug 2, 2016
Letter accompanying subsequently filed items
Aug 2, 2016
Submission concerning a transfer of rights (applicant)
May 30, 2016
(Electronic) Receipt
May 30, 2016
Annex
May 30, 2016
Annexes in respect of a client data request
May 30, 2016
Letter accompanying subsequently filed items
May 30, 2016
Submission concerning a transfer of rights (applicant)
May 2, 2016
Annex to the communication about intention to grant a European patent
May 2, 2016
Bibliographic data of the European patent application
May 2, 2016
Communication about intention to grant a European patent
May 2, 2016
Intention to grant (signatures)
May 2, 2016
Text intended for grant
Apr 14, 2016
(Electronic) Receipt
Apr 14, 2016
Amended description with annotations
Apr 14, 2016
Description
Apr 14, 2016
Letter accompanying subsequently filed items
Apr 14, 2016
Letter filed during examination procedure after communication from the Examining Division
Mar 30, 2016
Annex to the communication
Mar 30, 2016
Consultation by telephone/in person
Mar 30, 2016
Result of consultation by telephone/in person
Mar 22, 2016
Advice of delivery
Mar 21, 2016
Findings upon submissions relating to oral proceedings
Mar 21, 2016
Notification concerning the date of oral proceedings
Mar 21, 2016
Notification concerning the date of oral proceedings
Mar 11, 2016
(Electronic) Receipt
Mar 11, 2016
Letter accompanying subsequently filed items
Mar 11, 2016
Written submission in preparation to/during oral proceedings
Feb 24, 2016
Notification concerning the date of oral proceedings
Feb 17, 2016
Findings upon submissions relating to oral proceedings
Feb 11, 2016
(Electronic) Receipt
Feb 11, 2016
Amended claims with annotations
Feb 11, 2016
Amended claims with annotations
Feb 11, 2016
Citation for the examination procedure
Feb 11, 2016
Claims
Feb 11, 2016
Claims
Feb 11, 2016
Letter accompanying subsequently filed items
Feb 11, 2016
Letter dealing with oral proceedings
Feb 11, 2016
Non-patent literature cited during the examination procedure
Feb 11, 2016
Patent document cited during the examination procedure
Feb 11, 2016
Patent document cited during the examination procedure
Feb 11, 2016
Patent document cited during the examination procedure
Feb 11, 2016
Patent document cited during the examination procedure
Aug 25, 2015
Advice of delivery
Aug 21, 2015
Advice of delivery
Aug 20, 2015
Acknowledgement of a document
Aug 20, 2015
Annex to the communication
Aug 20, 2015
Preparation for oral proceedings
Aug 20, 2015
Summons to attend oral proceedings
May 7, 2015
Acknowledgement of receipt of third party observations
May 7, 2015
Transmittal of third party observations to applicant
Apr 23, 2015
Non-patent literature cited during the examination procedure
Apr 23, 2015
Non-patent literature cited during the examination procedure
Apr 23, 2015
Non-patent literature cited during the examination procedure
Apr 23, 2015
Non-patent literature cited during the examination procedure
Apr 23, 2015
Observations by third parties
Dec 11, 2014
Amended claims with annotations
Dec 11, 2014
Amended claims with annotations
Dec 11, 2014
Claims
Dec 11, 2014
Claims
Dec 11, 2014
Non-patent literature cited during the examination procedure
Dec 11, 2014
Non-patent literature cited during the examination procedure
Dec 11, 2014
Reply to communication from the Examining Division
Oct 1, 2014
Grant of extension of time limit (examination procedure)
Sep 26, 2014
(Electronic) Receipt
Sep 26, 2014
Letter accompanying subsequently filed items
Sep 26, 2014
Request for extension of time limit to communication from the Examining Division
Jun 4, 2014
Annex to the communication
Jun 4, 2014
Communication from the Examining Division
Mar 21, 2014
Acknowledgement of receipt of third party observations
Mar 21, 2014
Transmittal of third party observations to applicant
Feb 27, 2014
Observations by third parties
Mar 18, 2013
Acknowledgement of receipt of third party observations
Mar 18, 2013
Transmittal of third party observations to applicant
Mar 6, 2013
Observations by third parties
Jan 31, 2013
Claims
Jan 31, 2013
Reply to communication from the Examining Division
Oct 1, 2012
Annex to the communication
Oct 1, 2012
Communication from the Examining Division
Jul 23, 2012
Acknowledgement of receipt of third party observations
Jul 23, 2012
Transmittal of third party observations to applicant
Jun 22, 2012
Observations by third parties
Jun 22, 2012
Patent document filed by a Third party
Jun 22, 2012
Patent document filed by a Third party
Jun 22, 2012
Patent document filed by a Third party
Apr 13, 2012
Claims
Apr 13, 2012
Reply to communication from the Examining Division
Dec 13, 2011
Brief communication to applicant/representative
Dec 5, 2011
Annex to the communication
Dec 5, 2011
Communication from the Examining Division
Nov 14, 2011
Supplementary European search report
Nov 7, 2011
Communication regarding the transmission of the European search report
Jul 13, 2010
Translation of the international preliminary report on patentability
Jul 7, 2010
Notification of forthcoming publication
Jun 28, 2010
Communication regarding possible amendment of the application/payment of claims fee
Jun 3, 2010
Copy of the international preliminary report on patentability
May 10, 2010
Abstract
May 10, 2010
Claims
May 10, 2010
Description
May 10, 2010
Request for entry into the European phase
Mar 26, 2010
Information on entry into European phase
Jun 10, 2009
Priority document (electronically transmitted)
May 22, 2009
Copy of the international search report
May 22, 2009
Copy of the translated international search report
May 22, 2009
International publication pamphlet

EP2213696

ASAHI KASEI CHEMICALS

Application Number: EP08850010A
Filing Date: Nov 4, 2008
Status: Revoked; May 3, 2023
Publication Date: Oct 19, 2016
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2213696