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Polyacrylate Super-Absorbent Polymer And Manufacturing Method Therefor

Patent No. EP2927266 (titled "Polyacrylate Super-Absorbent Polymer And Manufacturing Method Therefor") was filed by Nippon Shokubai on Dec 3, 2013. The application was issued on Oct 2, 2024.

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
EVONIK OPERATIONS	May 5, 2021	WINS

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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Sep 5, 2024
Decision to maintain the European patent in amended form
Sep 5, 2024
Decision to maintain the European patent in amended form
Aug 29, 2024
(Electronic) Receipt
Aug 29, 2024
Filing of the translation of the amended claims
Aug 29, 2024
French translation of claims
Aug 29, 2024
German translation of the claims
Aug 29, 2024
Letter accompanying subsequently filed items
Jun 26, 2024
Communication to opponent concerning maintenance
Jun 26, 2024
Communication with request to file translations
Jun 21, 2024
Maintenance of the patent with the documents specified in the final decision
Jun 19, 2024
Refund of fees
Jun 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 18, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jun 18, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jun 18, 2024
F3345 Forwarding of submissions to parties
Jun 13, 2024
(Electronic) Receipt
Jun 13, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jun 13, 2024
Letter accompanying subsequently filed items
Jun 13, 2024
Withdrawal of an appeal
May 14, 2024
F3011.2 Oral Proceedings: Summons VICO
May 14, 2024
F3011.2 Oral Proceedings: Summons VICO
May 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 8, 2024
F3010 Oral proceedings: order for summons
Apr 26, 2024
F3303.16 Change of composition of the Board (T)
Feb 23, 2024
F3345 Forwarding of submissions to parties
Feb 20, 2024
(Electronic) Receipt
Feb 20, 2024
Letter accompanying subsequently filed items
Feb 20, 2024
Letter relating to Appeal Procedure
Jan 23, 2024
F3345 Forwarding of submissions to parties
Jan 18, 2024
(Electronic) Receipt
Jan 18, 2024
Letter accompanying subsequently filed items
Jan 18, 2024
Letter relating to Appeal Procedure
Oct 31, 2023
F3345 Forwarding of submissions to parties
Oct 25, 2023
(Electronic) Receipt
Oct 25, 2023
Letter accompanying subsequently filed items
Oct 25, 2023
Letter relating to Appeal Procedure
Jul 12, 2023
F3345 Forwarding of submissions to parties
Jul 6, 2023
(Electronic) Receipt
Jul 6, 2023
Amended claims with annotations
Jul 6, 2023
Amended description with annotations
Jul 6, 2023
Auxiliary request during appeals procedure - 01
Jul 6, 2023
Claims
Jul 6, 2023
Description
Jul 6, 2023
Letter accompanying subsequently filed items
Jul 6, 2023
Reply to appeal
Mar 15, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 6, 2023
(Electronic) Receipt
Mar 6, 2023
Citation in appeal procedure - 013
Mar 6, 2023
Citation in appeal procedure - 013
Mar 6, 2023
Letter accompanying subsequently filed items
Mar 6, 2023
Statement of grounds of appeal
Jan 20, 2023
F3345 Forwarding of submissions to parties
Jan 18, 2023
(Electronic) Receipt
Jan 18, 2023
Letter accompanying subsequently filed items
Jan 18, 2023
Letter relating to Appeal Procedure
Jan 16, 2023
F3204 Communication of the file number to the parties
Jan 16, 2023
F3204 Communication of the file number to the parties
Jan 10, 2023
(Electronic) Receipt
Jan 10, 2023
Letter accompanying subsequently filed items
Jan 10, 2023
Notice of appeal
Nov 16, 2022
Advice of delivery
Nov 11, 2022
Annex to the communication - opposition
Nov 11, 2022
Decision of the Opposition Division and instruction
Nov 11, 2022
Druckexemplar in opposition procedure
Nov 11, 2022
Grounds for the decision (Annex) - opposition
Nov 11, 2022
Interlocutory decision in opposition proceedings
Nov 11, 2022
Interlocutory decision in opposition proceedings
Nov 11, 2022
Means of redress
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 11, 2022
Provision of a copy of the minutes - opposition procedure
Nov 11, 2022
Provision of a copy of the minutes - opposition procedure
Nov 11, 2022
Transmittal of decision / summons - opposition
Nov 11, 2022
Transmittal of decision / summons - opposition
Oct 7, 2022
Information about the result of oral proceedings
Aug 8, 2022
Brief communication - Opposition proceedings
Aug 5, 2022
Brief communication - Opposition proceedings
Aug 3, 2022
Brief communication - Opposition proceedings
Aug 3, 2022
Request for interpreters during oral proceedings
Aug 2, 2022
(Electronic) Receipt
Aug 2, 2022
Letter accompanying subsequently filed items
Aug 2, 2022
Written submission in preparation to/during oral proceedings
Aug 2, 2022
Written submission in preparation to/during oral proceedings
Jul 28, 2022
(Electronic) Receipt
Jul 28, 2022
Amended description with annotations
Jul 28, 2022
Description
Jul 28, 2022
Letter accompanying subsequently filed items
Jul 28, 2022
Written submission in preparation to/during oral proceedings
Feb 2, 2022
Advice of delivery
Jan 26, 2022
Advice of delivery
Jan 25, 2022
Annex to the communication - opposition
Jan 25, 2022
Information concerning oral proceedings
Jan 25, 2022
Summons to attend oral proceedings
Jan 25, 2022
Summons to attend oral proceedings
Jan 25, 2022
Transmittal of decision / summons - opposition
Jan 25, 2022
Transmittal of decision / summons - opposition
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 20, 2021
(Electronic) Receipt
Dec 20, 2021
Citation in opposition procedure - 011
Dec 20, 2021
Citation in opposition procedure - 012
Dec 20, 2021
Consolidated list of cited opposition documents
Dec 20, 2021
Consolidated list of cited opposition documents
Dec 20, 2021
Letter accompanying subsequently filed items
Dec 20, 2021
Written submission in preparation to/during oral proceedings
Oct 14, 2021
Brief communication - Opposition proceedings
Sep 28, 2021
(Electronic) Receipt
Sep 28, 2021
Citation in opposition procedure - 010
Sep 28, 2021
Letter accompanying subsequently filed items
Sep 28, 2021
Main request during Opposition procedure
Sep 28, 2021
Main request during Opposition procedure
Sep 28, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 21, 2021
Result of consultation by telephone/in person
May 25, 2021
Communication of a notice of opposition and request to file observations
May 25, 2021
Notice of further oppositions to opponent(s)
May 21, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Letter regarding the opposition procedure (no time limit)
May 17, 2021
Communication of a notice of opposition - first information to patent proprietor
May 5, 2021
(Electronic) Receipt
May 5, 2021
Citation in opposition procedure - 001
May 5, 2021
Citation in opposition procedure - 002
May 5, 2021
Citation in opposition procedure - 003
May 5, 2021
Citation in opposition procedure - 004
May 5, 2021
Citation in opposition procedure - 005
May 5, 2021
Citation in opposition procedure - 006
May 5, 2021
Citation in opposition procedure - 007
May 5, 2021
Citation in opposition procedure - 008
May 5, 2021
Citation in opposition procedure - 009
May 5, 2021
Letter accompanying subsequently filed items
May 5, 2021
Notice of opposition
Aug 17, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 9, 2020
Decision to grant a European patent
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Filing of the translations of the claims
Jun 25, 2020
French translation of claims
Jun 25, 2020
German translation of the claims
Jun 25, 2020
Letter accompanying subsequently filed items
Mar 23, 2020
Bibliographic data of the European patent application
Mar 23, 2020
Communication about intention to grant a European patent
Mar 23, 2020
Intention to grant (signatures)
Mar 23, 2020
Text intended for grant (clean copy)
Mar 23, 2020
Text intended for grant (version for approval)
Nov 6, 2019
Description
Nov 6, 2019
Reply to communication from the Examining Division
Jul 18, 2019
Annex to the communication
Jul 18, 2019
Communication from the Examining Division
Jul 15, 2019
Examination started
Jan 19, 2017
Amended claims filed after receipt of (European) search report
Jan 19, 2017
Amended claims with annotations
Jan 19, 2017
Amended description filed after receipt of (European) search report
Jan 19, 2017
Amendments received before examination
Jan 11, 2017
(Electronic) Receipt
Jan 11, 2017
Letter accompanying subsequently filed items
Jan 11, 2017
Letter concerning the priority
Jan 11, 2017
Translation of priority document
Jul 12, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 12, 2016
Invitation to file a translation of the previous application
Jun 23, 2016
Communication regarding the transmission of the European search report
Jun 23, 2016
European search opinion
Jun 23, 2016
Information on Search Strategy
Jun 23, 2016
Supplementary European search report
Jun 13, 2016
Search started
Sep 9, 2015
Notification of forthcoming publication
Jul 14, 2015
Communication regarding possible amendment of the application/payment of claims fee
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jun 23, 2015
Copy of the international preliminary report on patentability
Jun 23, 2015
Translation of the international preliminary report on patentability
Jun 12, 2015
(Electronic) Receipt
Jun 12, 2015
Abstract
Jun 12, 2015
Amended claims filed after receipt of (European) search report
Jun 12, 2015
Amendments received before examination
Jun 12, 2015
Claims
Jun 12, 2015
Description
Jun 12, 2015
International publication (Pamphlet)
Jun 12, 2015
Request for entry into the European phase
Apr 17, 2015
Information on entry into European phase
Jul 2, 2014
Priority document (electronically transmitted)
Jun 12, 2014
Copy of the international search report
Jun 12, 2014
Copy of the translated international search report
Jun 12, 2014
International publication pamphlet

EP2927266

NIPPON SHOKUBAI

Application Number: EP13860396A
Filing Date: Dec 3, 2013
Status: Patent Maintained As Amended; Aug 30, 2024
Publication Date: Oct 2, 2024
External Links: Slate, EP2927266B2, Google Patents

IP Verse

Polyacrylate Super-Absorbent Polymer And Manufacturing Method Therefor

Patent Summary

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Patent Oppositions

Dossier Documents

EP2927266