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Process For Production Of Water-Absorbing Resin Particles, Water-Absorbing Resin Particles Made By The Process, And Absorbents And Absorbent Articles Made By Using The Particles

Patent No. EP1882701 (titled "Process For Production Of Water-Absorbing Resin Particles, Water-Absorbing Resin Particles Made By The Process, And Absorbents And Absorbent Articles Made By Using The Particles") was filed by Sumitomo Seika Chemicals on May 10, 2006. The application was issued on Aug 14, 2024.

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Patent Oppositions

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
NIPPON SHOKUBAI	Apr 3, 2019	SCHON

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 18, 2024
Decision to maintain the European patent in amended form
Jul 18, 2024
Decision to maintain the European patent in amended form
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Filing of the translation of the amended claims
Feb 9, 2024
French translation of claims
Feb 9, 2024
German translation of the claims
Feb 9, 2024
Letter accompanying subsequently filed items
Dec 20, 2023
Communication of bibliographic data
Dec 20, 2023
Communication to opponent concerning maintenance
Dec 20, 2023
Communication with request to file translations
Dec 14, 2023
Maintenance of the patent with the documents specified in the final decision
Dec 13, 2023
Refund of fees
Dec 7, 2023
Decision of the Board of Appeal
Dec 7, 2023
F3032 Notification(s) of the decision
Dec 7, 2023
F3032 Notification(s) of the decision
Dec 6, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Dec 6, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 6, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 6, 2023
F3345 Forwarding of submissions to parties
Dec 5, 2023
(Electronic) Receipt
Dec 5, 2023
General enquiry
Dec 5, 2023
Letter accompanying subsequently filed items
Nov 20, 2023
F3345 Forwarding of submissions to parties
Nov 16, 2023
(Electronic) Receipt
Nov 16, 2023
F3345 Forwarding of submissions to parties
Nov 16, 2023
Letter accompanying subsequently filed items
Nov 16, 2023
Withdrawal of a request for oral proceedings
Nov 13, 2023
(Electronic) Receipt
Nov 13, 2023
Letter accompanying subsequently filed items
Nov 13, 2023
Request for interpreters during oral proceedings
Nov 8, 2023
F3345 Forwarding of submissions to parties
Nov 6, 2023
(Electronic) Receipt
Nov 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Nov 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 4, 2023
Oral proceedings: change of venue
May 4, 2023
Oral proceedings: change of venue
May 3, 2023
F3345 Forwarding of submissions to parties
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 26, 2023
F3345 Forwarding of submissions to parties
Apr 25, 2023
(Electronic) Receipt
Apr 25, 2023
Letter accompanying subsequently filed items
Apr 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 27, 2023
F3004 Communication of the Registry
Feb 27, 2023
F3004 Communication of the Registry
Dec 14, 2022
F3011.1 Oral Proceedings: summons
Dec 14, 2022
F3011.1 Oral Proceedings: summons
Dec 9, 2022
F3010 Oral proceedings: order for summons
Dec 7, 2022
F3303.16 Change of composition of the Board (T)
May 27, 2021
Composition of the board (T)
Apr 15, 2021
F3345 Forwarding of submissions to parties
Apr 12, 2021
(Electronic) Receipt
Apr 12, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 12, 2021
Letter accompanying subsequently filed items
Apr 12, 2021
Reply to appeal
Dec 1, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Letter accompanying subsequently filed items
Nov 24, 2020
Non-Patent Literature cited during the appeal procedure
Nov 24, 2020
Non-Patent Literature cited during the appeal procedure
Nov 24, 2020
Patent Document cited during the appeal procedure
Nov 24, 2020
Patent Document cited during the appeal procedure
Nov 24, 2020
Patent Document cited during the appeal procedure
Nov 24, 2020
Patent Document cited during the appeal procedure
Nov 24, 2020
Patent Document cited during the appeal procedure
Nov 24, 2020
Statement of grounds of appeal
Oct 7, 2020
F3345 Forwarding of submissions to parties
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Letter relating to Appeal Procedure
Sep 25, 2020
F3204 Communication of the file number to the parties
Sep 25, 2020
F3204 Communication of the file number to the parties
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
Letter accompanying subsequently filed items
Sep 18, 2020
Notice of appeal
Jul 17, 2020
Advice of delivery
Jul 16, 2020
Advice of delivery
Jul 14, 2020
Acknowledgement of a document
Jul 14, 2020
Acknowledgement of a document
Jul 14, 2020
Annex to the communication - opposition
Jul 14, 2020
Decision of the Opposition Division and instruction
Jul 14, 2020
Druckexemplar in opposition procedure
Jul 14, 2020
Grounds for the decision (Annex) - opposition
Jul 14, 2020
Interlocutory decision in opposition proceedings
Jul 14, 2020
Internal form - Opposition/addressees
Jul 14, 2020
Internal form - Opposition/addressees
Jul 14, 2020
Means of redress
Jul 14, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 14, 2020
Provision of a copy of the minutes - opposition procedure
Jul 14, 2020
Scanned annex to a communication - opposition procedure
Jun 2, 2020
Information about the result of oral proceedings
May 28, 2020
Brief communication - Opposition proceedings
May 22, 2020
(Electronic) Receipt
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure
May 22, 2020
Auxiliary request during Opposition procedure - 07
May 22, 2020
Auxiliary request during Opposition procedure - 08
May 22, 2020
Auxiliary request during Opposition procedure - 09
May 22, 2020
Auxiliary request during Opposition procedure - 10
May 22, 2020
Auxiliary request during Opposition procedure - 11
May 22, 2020
Auxiliary request during Opposition procedure - 12
May 22, 2020
Auxiliary request during Opposition procedure - 13
May 22, 2020
Auxiliary request during Opposition procedure - 14
May 22, 2020
Auxiliary request during Opposition procedure - 15
May 22, 2020
Auxiliary request during Opposition procedure - 16
May 22, 2020
Auxiliary request during Opposition procedure - 17
May 22, 2020
Auxiliary request during Opposition procedure - 18
May 22, 2020
Auxiliary request during Opposition procedure - 19
May 22, 2020
Auxiliary request during Opposition procedure - 20
May 22, 2020
Letter accompanying subsequently filed items
May 22, 2020
Written submission in preparation to/during oral proceedings
May 20, 2020
Communication for party to proceedings/third party
May 20, 2020
Communication for party to proceedings/third party
May 20, 2020
Oral proceedings: reply to date proposed
May 15, 2020
Oral proceedings: reply to date proposed
May 14, 2020
Oral proceedings: reply to date proposed
Apr 7, 2020
Brief communication - Opposition proceedings
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Written submission in preparation to/during oral proceedings
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 19, 2020
(Electronic) Receipt
Mar 19, 2020
Citation in opposition procedure - 018
Mar 19, 2020
Citation in opposition procedure - 018
Mar 19, 2020
Citation in opposition procedure - 019
Mar 19, 2020
Citation in opposition procedure - 020
Mar 19, 2020
Consolidated list of cited opposition documents
Mar 19, 2020
Letter accompanying subsequently filed items
Mar 19, 2020
Request for interpreters during oral proceedings
Mar 19, 2020
Written submission in preparation to/during oral proceedings
Nov 27, 2019
Advice of delivery
Nov 27, 2019
Advice of delivery
Nov 26, 2019
Acknowledgement of a document
Nov 26, 2019
Acknowledgement of a document
Nov 26, 2019
Annex to the communication - opposition
Nov 26, 2019
Information concerning oral proceedings
Nov 26, 2019
Summons to attend oral proceedings
Nov 26, 2019
Summons to attend oral proceedings
Aug 27, 2019
Brief communication - Opposition proceedings
Aug 21, 2019
(Electronic) Receipt
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure
Aug 21, 2019
Auxiliary request during Opposition procedure - 01
Aug 21, 2019
Auxiliary request during Opposition procedure - 02
Aug 21, 2019
Auxiliary request during Opposition procedure - 03
Aug 21, 2019
Auxiliary request during Opposition procedure - 04
Aug 21, 2019
Auxiliary request during Opposition procedure - 05
Aug 21, 2019
Auxiliary request during Opposition procedure - 06
Aug 21, 2019
Citation in opposition procedure - 014
Aug 21, 2019
Citation in opposition procedure - 015
Aug 21, 2019
Citation in opposition procedure - 015
Aug 21, 2019
Citation in opposition procedure - 016
Aug 21, 2019
Citation in opposition procedure - 016
Aug 21, 2019
Citation in opposition procedure - 017
Aug 21, 2019
Letter accompanying subsequently filed items
Aug 21, 2019
Main request during Opposition procedure
Aug 21, 2019
Main request during Opposition procedure
Aug 21, 2019
Reply of the patent proprietor to the notice(s) of opposition
Apr 17, 2019
Brief communication - Opposition proceedings
Apr 16, 2019
Communication of a notice of opposition and request to file observations
Apr 16, 2019
Notice of further oppositions to opponent(s)
Apr 12, 2019
(Electronic) Receipt
Apr 12, 2019
Letter accompanying subsequently filed items
Apr 12, 2019
Letter regarding the opposition procedure (no time limit)
Apr 9, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 3, 2019
(Electronic) Receipt
Apr 3, 2019
Citation in opposition procedure
Apr 3, 2019
Citation in opposition procedure - 001
Apr 3, 2019
Citation in opposition procedure - 001
Apr 3, 2019
Citation in opposition procedure - 002
Apr 3, 2019
Citation in opposition procedure - 003
Apr 3, 2019
Citation in opposition procedure - 004
Apr 3, 2019
Citation in opposition procedure - 005
Apr 3, 2019
Citation in opposition procedure - 005
Apr 3, 2019
Citation in opposition procedure - 006
Apr 3, 2019
Citation in opposition procedure - 007
Apr 3, 2019
Citation in opposition procedure - 008
Apr 3, 2019
Citation in opposition procedure - 009
Apr 3, 2019
Citation in opposition procedure - 010
Apr 3, 2019
Citation in opposition procedure - 011
Apr 3, 2019
Citation in opposition procedure - 012
Apr 3, 2019
Citation in opposition procedure - 013
Apr 3, 2019
Notice of opposition
Apr 3, 2019
Notice of opposition
Jul 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 7, 2018
Decision to grant a European patent
May 17, 2018
Brief communication to applicant/representative (Legal Division)
May 9, 2018
Bibliographic data of the European patent application
May 8, 2018
(Electronic) Receipt
May 8, 2018
Letter accompanying subsequently filed items
May 8, 2018
Letter concerning the inventor
May 7, 2018
Brief communication to applicant/representative (Legal Division)
Apr 24, 2018
(Electronic) Receipt
Apr 24, 2018
Filing of the translations of the claims
Apr 24, 2018
French translation of claims
Apr 24, 2018
German translation of the claims
Apr 24, 2018
Letter accompanying subsequently filed items
Jan 16, 2018
Bibliographic data of the European patent application
Jan 16, 2018
Communication about intention to grant a European patent
Jan 16, 2018
Intention to grant (signatures)
Jan 16, 2018
Text intended for grant (clean copy)
Jan 16, 2018
Text intended for grant (version for approval)
Oct 24, 2017
(Electronic) Receipt
Oct 24, 2017
Amended claims with annotations
Oct 24, 2017
Claims
Oct 24, 2017
Description
Oct 24, 2017
Letter accompanying subsequently filed items
Oct 24, 2017
Reply to communication from the Examining Division
Jul 26, 2017
Annex to the communication
Jul 26, 2017
Communication from the Examining Division
Jul 20, 2017
Examination started
Apr 18, 2017
Notification regarding date of start of examination with possibility to withdraw
Sep 26, 2014
Submission concerning representation
Apr 21, 2011
Amended claims filed after receipt of (European) search report
Apr 21, 2011
Amended claims with annotations
Apr 21, 2011
Amended description filed after receipt of (European) search report
Apr 21, 2011
Amendments received before examination
Apr 21, 2011
Non-patent literature cited during the examination procedure
Apr 20, 2011
Amendments received before examination
Oct 19, 2010
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 30, 2010
Communication regarding the transmission of the European search report
Sep 30, 2010
European search opinion
Sep 30, 2010
Supplementary European search report
Jan 4, 2008
Notification of forthcoming publication
Dec 28, 2007
Communication regarding possible amendment of claims/payment of claims fees
Dec 3, 2007
Copy of the international preliminary report on patentability
Dec 3, 2007
Translation of the international preliminary report on patentability
Nov 28, 2007
Confirmation of receipt of (electronically) transmitted priority document
Nov 15, 2007
Abstract
Nov 15, 2007
Annex
Nov 15, 2007
Claims
Nov 15, 2007
Description
Nov 15, 2007
Drawings
Nov 15, 2007
Letter accompanying subsequently filed items
Nov 15, 2007
Request for entry into the European phase
Sep 28, 2007
Information on entry into European phase
Dec 12, 2006
Priority document (electronically transmitted)
Nov 23, 2006
Copy of the international search report
Nov 23, 2006
Copy of the translated international search report
Nov 23, 2006
Published international application - A1

EP1882701

SUMITOMO SEIKA CHEMICALS

Application Number: EP06746220A
Filing Date: May 10, 2006
Status: Patent Maintained As Amended; Jul 12, 2024
Publication Date: Aug 14, 2024
External Links: Slate, Register , Google Patents