Polymer Manufacturing Method

Patent No. EP3023439 (titled "Polymer Manufacturing Method") was filed by Asahi Kasei Chemicals on Jul 14, 2014. The application was issued on Feb 7, 2018.

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
MAIWALD	Nov 6, 2018	MAIWALD

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 21, 2023
Termination of the opposition proceedings with revocation of patent
Apr 18, 2023
Decision of the Board of Appeal
Apr 18, 2023
F3032 Notification(s) of the decision
Apr 18, 2023
F3032 Notification(s) of the decision
Feb 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 13, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 27, 2023
F3345 Forwarding of submissions to parties
Jan 26, 2023
(Electronic) Receipt
Jan 26, 2023
Letter accompanying subsequently filed items
Jan 26, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 24, 2023
F3345 Forwarding of submissions to parties
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 4, 2023
F3345 Forwarding of submissions to parties
Dec 23, 2022
(Electronic) Receipt
Dec 23, 2022
Letter accompanying subsequently filed items
Dec 23, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 23, 2022
Oral proceedings: change of venue
Dec 23, 2022
Oral proceedings: change of venue
Dec 22, 2022
F3345 Forwarding of submissions to parties
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 29, 2022
F3345 Forwarding of submissions to parties
Nov 23, 2022
(Electronic) Receipt
Nov 23, 2022
Letter accompanying subsequently filed items
Nov 23, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 24, 2022
Communication of amended entries in the Register of European Patents
Oct 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 21, 2022
Annexes in respect of a client data request
Oct 21, 2022
F3345 Forwarding of submissions to parties
Oct 21, 2022
Letter accompanying subsequently filed items
Oct 21, 2022
Request concerning representative opponent
Oct 18, 2022
(Electronic) Receipt
Oct 18, 2022
Annexes in respect of a client data request
Oct 18, 2022
Letter accompanying subsequently filed items
Oct 18, 2022
Request for change of name -opponent
Oct 17, 2022
(Electronic) Receipt
Oct 17, 2022
Letter accompanying subsequently filed items
Oct 17, 2022
Request for change of name -opponent
Oct 5, 2022
F3345 Forwarding of submissions to parties
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Advice of delivery
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Sep 21, 2022
Composition of the board (T)
Sep 21, 2022
F3010 Oral proceedings: order for summons
Feb 15, 2022
F3345 Forwarding of submissions to parties
Feb 10, 2022
(Electronic) Receipt
Feb 10, 2022
Letter accompanying subsequently filed items
Feb 10, 2022
Letter relating to Appeal Procedure
Sep 29, 2021
F3345 Forwarding of submissions to parties
Sep 23, 2021
(Electronic) Receipt
Sep 23, 2021
Letter accompanying subsequently filed items
Sep 23, 2021
Letter relating to Appeal Procedure
Feb 12, 2021
F3345 Forwarding of submissions to parties
Feb 3, 2021
(Electronic) Receipt
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Amended claims with annotations
Feb 3, 2021
Auxiliary request during appeals procedure - 01
Feb 3, 2021
Auxiliary request during appeals procedure - 02
Feb 3, 2021
Auxiliary request during appeals procedure - 03
Feb 3, 2021
Auxiliary request during appeals procedure - 04
Feb 3, 2021
Auxiliary request during appeals procedure - 05
Feb 3, 2021
Auxiliary request during appeals procedure - 06
Feb 3, 2021
Auxiliary request during appeals procedure - 07
Feb 3, 2021
Auxiliary request during appeals procedure - 08
Feb 3, 2021
Letter accompanying subsequently filed items
Feb 3, 2021
Reply to appeal
Dec 4, 2020
Composition of the board (T)
Sep 29, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 8, 2020
(Electronic) Receipt
Sep 8, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
Statement of grounds of appeal
Jul 13, 2020
F3204 Communication of the file number to the parties
Jul 13, 2020
F3204 Communication of the file number to the parties
Jul 6, 2020
(Electronic) Receipt
Jul 6, 2020
Letter accompanying subsequently filed items
Jul 6, 2020
Notice of appeal
May 15, 2020
Advice of delivery
May 15, 2020
Advice of delivery
May 13, 2020
Advice of delivery
May 11, 2020
Acknowledgement of a document
May 11, 2020
Acknowledgement of a document
May 11, 2020
Annex to the communication - opposition
May 11, 2020
Decision of the Opposition Division and instruction
May 11, 2020
Decision rejecting the opposition
May 11, 2020
Grounds for the decision (Annex) - opposition
May 11, 2020
Internal form - Opposition/addressees
May 11, 2020
Internal form - Opposition/addressees
May 11, 2020
Means of redress
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 11, 2020
Provision of a copy of the minutes - opposition procedure
Mar 3, 2020
Information about the result of oral proceedings
Mar 2, 2020
Brief communication - Opposition proceedings
Feb 27, 2020
Written submission in preparation to/during oral proceedings
Feb 25, 2020
Amended claims with annotations
Feb 25, 2020
Claims
Feb 25, 2020
Written submission in preparation to/during oral proceedings
Feb 5, 2020
Brief communication - Opposition proceedings
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Jan 10, 2020
Brief communication - Opposition proceedings
Jan 2, 2020
(Electronic) Receipt
Jan 2, 2020
Citation in opposition procedure - 006
Jan 2, 2020
Consolidated list of cited opposition documents
Jan 2, 2020
Letter accompanying subsequently filed items
Jan 2, 2020
Written submission in preparation to/during oral proceedings
Dec 20, 2019
Brief communication - Opposition proceedings
Dec 17, 2019
(Electronic) Receipt
Dec 17, 2019
Amended claims with annotations
Dec 17, 2019
Claims
Dec 17, 2019
Letter accompanying subsequently filed items
Dec 17, 2019
Written submission in preparation to/during oral proceedings
Jul 19, 2019
Advice of delivery
Jul 19, 2019
Advice of delivery
Jul 17, 2019
Advice of delivery
Jul 17, 2019
Advice of delivery
Jul 16, 2019
Acknowledgement of a document
Jul 16, 2019
Acknowledgement of a document
Jul 16, 2019
Annex to the communication - opposition
Jul 16, 2019
Information concerning oral proceedings
Jul 16, 2019
Summons to attend oral proceedings
Jul 16, 2019
Summons to attend oral proceedings
Apr 5, 2019
Brief communication - Opposition proceedings
Apr 2, 2019
(Electronic) Receipt
Apr 2, 2019
Amended claims with annotations
Apr 2, 2019
Amended claims with annotations
Apr 2, 2019
Amended claims with annotations
Apr 2, 2019
Citation in opposition procedure - 017
Apr 2, 2019
Claims
Apr 2, 2019
Claims
Apr 2, 2019
Claims
Apr 2, 2019
Letter accompanying subsequently filed items
Apr 2, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 22, 2018
Communication of a notice of opposition and request to file observations
Nov 22, 2018
Notice of further oppositions to opponent(s)
Nov 13, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 6, 2018
(Electronic) Receipt
Nov 6, 2018
Citation in opposition procedure - 001
Nov 6, 2018
Citation in opposition procedure - 001
Nov 6, 2018
Citation in opposition procedure - 001
Nov 6, 2018
Citation in opposition procedure - 001
Nov 6, 2018
Citation in opposition procedure - 001
Nov 6, 2018
Citation in opposition procedure - 002
Nov 6, 2018
Citation in opposition procedure - 003
Nov 6, 2018
Citation in opposition procedure - 004
Nov 6, 2018
Citation in opposition procedure - 005
Nov 6, 2018
Citation in opposition procedure - 006
Nov 6, 2018
Citation in opposition procedure - 006
Nov 6, 2018
Citation in opposition procedure - 006
Nov 6, 2018
Citation in opposition procedure - 007
Nov 6, 2018
Citation in opposition procedure - 007
Nov 6, 2018
Citation in opposition procedure - 007
Nov 6, 2018
Citation in opposition procedure - 008
Nov 6, 2018
Citation in opposition procedure - 008
Nov 6, 2018
Citation in opposition procedure - 008
Nov 6, 2018
Citation in opposition procedure - 009
Nov 6, 2018
Citation in opposition procedure - 010
Nov 6, 2018
Citation in opposition procedure - 011
Nov 6, 2018
Citation in opposition procedure - 011
Nov 6, 2018
Citation in opposition procedure - 012
Nov 6, 2018
Citation in opposition procedure - 012
Nov 6, 2018
Citation in opposition procedure - 013
Nov 6, 2018
Citation in opposition procedure - 014
Nov 6, 2018
Citation in opposition procedure - 015
Nov 6, 2018
Citation in opposition procedure - 015
Nov 6, 2018
Citation in opposition procedure - 016
Nov 6, 2018
Notice of opposition
Nov 6, 2018
Notice of opposition
Feb 23, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 11, 2018
Decision to grant a European patent
Jan 5, 2018
Brief communication to applicant/representative
Jan 2, 2018
Bibliographic data of the European patent application
Dec 21, 2017
(Electronic) Receipt
Dec 21, 2017
Filing of the translations of the claims
Dec 21, 2017
French translation of claims
Dec 21, 2017
German translation of the claims
Dec 21, 2017
Letter accompanying subsequently filed items
Nov 20, 2017
Communication of the registration of a transfer or change of name and/or address
Oct 27, 2017
(Electronic) Receipt
Oct 27, 2017
Annexes in respect of a client data request
Oct 27, 2017
Annexes in respect of a client data request
Oct 27, 2017
Letter accompanying subsequently filed items
Oct 27, 2017
Submission concerning a transfer of rights (applicant)
Sep 29, 2017
Bibliographic data of the European patent application
Sep 29, 2017
Communication about intention to grant a European patent
Sep 29, 2017
Intention to grant (signatures)
Sep 29, 2017
Text intended for grant (clean copy)
Sep 29, 2017
Text intended for grant (version for approval)
May 12, 2017
(Electronic) Receipt
May 12, 2017
Amended claims with annotations
May 12, 2017
Amended claims with annotations
May 12, 2017
Amended description with annotations
May 12, 2017
Claims
May 12, 2017
Claims
May 12, 2017
Description
May 12, 2017
Letter accompanying subsequently filed items
May 12, 2017
Reply to communication from the Examining Division
Apr 26, 2017
(Electronic) Receipt
Apr 26, 2017
Letter accompanying subsequently filed items
Apr 26, 2017
Reply to communication from the Examining Division
Dec 16, 2016
Annex to the communication
Dec 16, 2016
Communication from the Examining Division
Nov 23, 2016
(Electronic) Receipt
Nov 23, 2016
Amended claims with annotations
Nov 23, 2016
Annex
Nov 23, 2016
Claims
Nov 23, 2016
Letter accompanying subsequently filed items
Nov 23, 2016
Reply to communication from the Examining Division
Jul 29, 2016
Annex to the communication
Jul 29, 2016
Communication from the Examining Division
Jun 16, 2016
Communication regarding the transmission of the European search report
Jun 16, 2016
Information on Search Strategy
Jun 16, 2016
Supplementary European search report
Apr 28, 2016
Notification of forthcoming publication
Feb 23, 2016
Communication for party to proceedings/third party
Feb 22, 2016
Communication to designated inventor
Feb 1, 2016
Copy of the international preliminary report on patentability
Feb 1, 2016
Translation of the international preliminary report on patentability
Dec 23, 2015
(Electronic) Receipt
Dec 23, 2015
Abstract
Dec 23, 2015
Claims
Dec 23, 2015
Description
Dec 23, 2015
Request for entry into the European phase
Nov 27, 2015
Information on entry into European phase
Feb 10, 2015
Priority document (electronically transmitted)
Jan 22, 2015
Copy of the international search report
Jan 22, 2015
Copy of the translated international search report
Jan 22, 2015
International publication pamphlet

EP3023439

ASAHI KASEI CHEMICALS

Application Number: EP14825947A
Filing Date: Jul 14, 2014
Status: Revoked; Apr 21, 2023
Publication Date: Feb 7, 2018
External Links: Slate, Register , Google Patents

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Polymer Manufacturing Method

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Dossier Documents

EP3023439