Water-Absorbing Polymer Structures Produced Using Polymer Dispersions

Patent No. EP2091583 (titled "Water-Absorbing Polymer Structures Produced Using Polymer Dispersions") was filed by Evonik Degussa on Dec 18, 2007. The application was issued on Apr 1, 2020.

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	Dec 15, 2017	HENKEL & PARTNER MBB

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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Mar 5, 2020
Decision to maintain the European patent in amended form
Mar 5, 2020
Decision to maintain the European patent in amended form
Feb 28, 2020
Termination of the opposition proceedings with maintenance of patent
Feb 20, 2020
(Electronic) Receipt
Feb 20, 2020
English translation of the claims
Feb 20, 2020
Filing of the translation of the amended claims
Feb 20, 2020
French translation of claims
Feb 20, 2020
Letter accompanying subsequently filed items
Jan 27, 2020
Communication of bibliographic data
Jan 27, 2020
Communication to opponent concerning maintenance
Jan 27, 2020
Communication with request to file translations
Jan 14, 2020
Maintenance of the patent with the documents specified in the final decision
Nov 12, 2019
Communication of amended entries concerning the representative
Nov 12, 2019
Communication of the registration of a transfer or change of name and/or address
Oct 4, 2019
Advice of delivery
Oct 4, 2019
Advice of delivery
Oct 4, 2019
Advice of delivery
Oct 1, 2019
Advice of delivery
Sep 27, 2019
Acknowledgement of a document
Sep 27, 2019
Acknowledgement of a document
Sep 27, 2019
Annex to the communication - opposition
Sep 27, 2019
Decision of the Opposition Division and instruction
Sep 27, 2019
Druckexemplar in opposition procedure
Sep 27, 2019
Grounds for the decision (Annex) - opposition
Sep 27, 2019
Interlocutory decision in opposition proceedings
Sep 27, 2019
Internal form - Opposition/addressees
Sep 27, 2019
Internal form - Opposition/addressees
Sep 27, 2019
Means of redress
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 27, 2019
Provision of a copy of the minutes - opposition procedure
Sep 27, 2019
Scanned annex to a communication - opposition procedure
Sep 5, 2019
Brief communication - Opposition proceedings
Sep 5, 2019
Communication of amended entries
Aug 28, 2019
Request concerning representative opponent
Jun 18, 2019
Information about the result of oral proceedings
Jun 13, 2019
(Electronic) Receipt
Jun 13, 2019
Letter accompanying subsequently filed items
Jun 13, 2019
Written submission in preparation to/during oral proceedings
Jun 5, 2019
Notification concerning the date of oral proceedings
Jun 5, 2019
Notification concerning the date of oral proceedings
Apr 3, 2019
Brief communication - Opposition proceedings
Apr 2, 2019
Notification concerning the date of oral proceedings
Apr 2, 2019
Notification concerning the date of oral proceedings
Mar 28, 2019
(Electronic) Receipt
Mar 28, 2019
Letter accompanying subsequently filed items
Mar 28, 2019
Written submission in preparation to/during oral proceedings
Mar 25, 2019
Brief communication - Opposition proceedings
Mar 19, 2019
(Electronic) Receipt
Mar 19, 2019
Letter accompanying subsequently filed items
Mar 19, 2019
Written submission in preparation to/during oral proceedings
Mar 15, 2019
Brief communication - Opposition proceedings
Mar 15, 2019
Brief communication - Opposition proceedings
Mar 15, 2019
Brief communication - Opposition proceedings
Mar 12, 2019
(Electronic) Receipt
Mar 12, 2019
(Electronic) Receipt
Mar 12, 2019
(Electronic) Receipt
Mar 12, 2019
Amended claims with annotations
Mar 12, 2019
Amended claims with annotations
Mar 12, 2019
Amended claims with annotations
Mar 12, 2019
Claims
Mar 12, 2019
Claims
Mar 12, 2019
Claims
Mar 12, 2019
Claims
Mar 12, 2019
Description
Mar 12, 2019
Description
Mar 12, 2019
Description
Mar 12, 2019
Letter accompanying subsequently filed items
Mar 12, 2019
Letter accompanying subsequently filed items
Mar 12, 2019
Letter accompanying subsequently filed items
Mar 12, 2019
Request for interpreters during oral proceedings
Mar 12, 2019
Written submission in preparation to/during oral proceedings
Mar 12, 2019
Written submission in preparation to/during oral proceedings
Nov 26, 2018
Advice of delivery
Nov 22, 2018
Advice of delivery
Nov 22, 2018
Advice of delivery
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Advice of delivery
Nov 21, 2018
Letter accompanying subsequently filed items
Nov 19, 2018
Acknowledgement of a document
Nov 19, 2018
Acknowledgement of a document
Nov 19, 2018
Annex to the communication - opposition
Nov 19, 2018
Information concerning oral proceedings
Nov 19, 2018
Summons to attend oral proceedings
Nov 19, 2018
Summons to attend oral proceedings
May 16, 2018
Brief communication - Opposition proceedings
May 9, 2018
(Electronic) Receipt
May 9, 2018
Amended claims with annotations
May 9, 2018
Amended claims with annotations
May 9, 2018
Amended claims with annotations
May 9, 2018
Amended claims with annotations
May 9, 2018
Amended claims with annotations
May 9, 2018
Claims
May 9, 2018
Claims
May 9, 2018
Claims
May 9, 2018
Claims
May 9, 2018
Claims
May 9, 2018
Letter accompanying subsequently filed items
May 9, 2018
Non-patent literature cited during the opposition procedure
May 9, 2018
Non-patent literature cited during the opposition procedure
May 9, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 8, 2018
Communication of a notice of opposition and request to file observations
Jan 8, 2018
Notice of further oppositions to opponent(s)
Jan 5, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 15, 2017
(Electronic) Receipt
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Mar 15, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 16, 2017
Decision to grant a European patent
Jan 27, 2017
(Electronic) Receipt
Jan 27, 2017
English translation of the claims
Jan 27, 2017
Filing of the translations of the claims
Jan 27, 2017
French translation of claims
Jan 27, 2017
Letter accompanying subsequently filed items
Dec 6, 2016
Bibliographic data of the European patent application
Dec 6, 2016
Communication about intention to grant a European patent
Dec 6, 2016
Intention to grant (signatures)
Dec 6, 2016
Text intended for grant
Nov 11, 2015
(Electronic) Receipt
Nov 11, 2015
Amended claims with annotations
Nov 11, 2015
Amended description with annotations
Nov 11, 2015
Claims
Nov 11, 2015
Description
Nov 11, 2015
Letter accompanying subsequently filed items
Nov 11, 2015
Reply to communication from the Examining Division
Jul 2, 2015
Annex to the communication
Jul 2, 2015
Communication from the Examining Division
Mar 21, 2014
(Electronic) Receipt
Mar 21, 2014
Claims
Mar 21, 2014
Claims
Mar 21, 2014
Letter accompanying subsequently filed items
Mar 21, 2014
Reply to communication from the Examining Division
Jan 8, 2014
Grant of extension of time limit (examination procedure)
Dec 30, 2013
(Electronic) Receipt
Dec 30, 2013
Letter accompanying subsequently filed items
Dec 30, 2013
Request for extension of time limit to communication from the Examining Division
Sep 13, 2013
Annex to the communication
Sep 13, 2013
Communication from the Examining Division
Jan 31, 2013
Decision to allow further processing
Jan 16, 2013
(Electronic) Receipt
Jan 16, 2013
Claims
Jan 16, 2013
Claims
Jan 16, 2013
Letter accompanying subsequently filed items
Jan 16, 2013
Reply to communication from the Examining Division
Jan 16, 2013
Request for further processing
Nov 6, 2012
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 5, 2012
Refusal of request for extension of time limit
Oct 1, 2012
(Electronic) Receipt
Oct 1, 2012
Letter accompanying subsequently filed items
Oct 1, 2012
Request for extension of time limit to communication from the Examining Division
Sep 12, 2012
Communication of the registration of a transfer or change of name and/or address
Sep 6, 2012
Annexes in respect of a client data request
Sep 1, 2012
Submission concerning a transfer of rights (applicant)
Aug 1, 2012
Grant of extension of time limit (examination procedure)
Jul 27, 2012
(Electronic) Receipt
Jul 27, 2012
Letter accompanying subsequently filed items
Jul 27, 2012
Request for extension of time limit to communication from the Examining Division
Mar 20, 2012
Annex to the communication
Mar 20, 2012
Communication from the Examining Division
Aug 8, 2011
Amended claims with annotations
Aug 8, 2011
Amended claims with annotations
Aug 8, 2011
Amended claims with annotations
Aug 8, 2011
Claims
Aug 8, 2011
Claims
Aug 8, 2011
Claims
Aug 8, 2011
Reply to communication from the Examining Division
Aug 5, 2011
Amended claims with annotations
Aug 5, 2011
Amended claims with annotations
Aug 5, 2011
Amended claims with annotations
Aug 5, 2011
Claims
Aug 5, 2011
Claims
Aug 5, 2011
Claims
Aug 5, 2011
Reply to communication from the Examining Division
Jun 14, 2011
Grant of extension of time limit (examination procedure)
May 31, 2011
(Electronic) Receipt
May 31, 2011
Letter accompanying subsequently filed items
May 31, 2011
Request for extension of time limit to communication from the Examining Division
Jan 26, 2011
Annex to the communication
Jan 26, 2011
Communication from the Examining Division
May 29, 2010
Claims
May 29, 2010
Claims
May 29, 2010
Reply to communication from the Examining Division
May 27, 2010
Amended claims with annotations
May 27, 2010
Claims
May 27, 2010
Reply to communication from the Examining Division
Mar 25, 2010
Grant of extension of time limit (examination procedure)
Mar 19, 2010
Request for extension of time limit to communication from the Examining Division
Mar 19, 2010
Request for extension of time limit to communication from the Examining Division
Nov 20, 2009
Annex to the communication
Nov 20, 2009
Communication from the Examining Division
Jul 29, 2009
Notification on forthcoming publication of bibliographic data
Jul 27, 2009
Communication regarding possible amendment of claims/payment of claims fees
Jul 1, 2009
Reply by International Bureau
Jun 25, 2009
Annexes to the international preliminary examination report
Jun 25, 2009
Copy of the international preliminary examination report
Jun 22, 2009
Enquiry with the International Bureau
May 26, 2009
(Electronic) Receipt
May 26, 2009
Request for entry into the European phase
May 6, 2009
Information on entry into European phase
Mar 25, 2009
Annex to International preliminary examination report
Mar 25, 2009
International preliminary examination report
Mar 25, 2009
International preliminary examination report
Mar 25, 2009
International preliminary examination report - free text sheet
Mar 25, 2009
International preliminary examination report - free text sheet
Mar 25, 2009
International preliminary examination report - points I-VIII
Mar 25, 2009
International preliminary examination report - points I-VIII
Mar 25, 2009
Notification of documents sent to WIPO
Mar 25, 2009
Transmittal of International Preliminary Examination Report
Nov 8, 2008
Notification of documents sent to WIPO
Nov 8, 2008
Notification of receipt of demand
Oct 17, 2008
PCT demand form
Oct 17, 2008
PCT(IPEA): Amended sheet - claims
Oct 17, 2008
PCT(IPEA): Amended sheet - claims
Oct 17, 2008
Reply to International Search Opinion
Oct 14, 2008
Document concerning fees and payments
Oct 14, 2008
PCT demand form
Oct 14, 2008
PCT(IPEA): Amended sheet - claims
Oct 14, 2008
PCT(IPEA): Amended sheet - claims
Oct 14, 2008
Reply to International Search Opinion
Sep 4, 2008
Copy of the international search report
Sep 4, 2008
International publication of the international search report
Jul 17, 2008
Priority document (electronically transmitted)
Jun 26, 2008
Published international application - A2
Dec 21, 2007
Abstract
Dec 21, 2007
Claims
Dec 21, 2007
Description
Dec 21, 2007
Drawings

EP2091583

EVONIK DEGUSSA

Application Number: EP07856825A
Filing Date: Dec 18, 2007
Status: Patent Maintained As Amended; Feb 28, 2020
Publication Date: Apr 1, 2020
External Links: Slate, Register , Google Patents

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Water-Absorbing Polymer Structures Produced Using Polymer Dispersions

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Dossier Documents

EP2091583