Particulate Superabsorbent Polymer Having A Capacity Increase

Patent No. EP2566901 (titled "Particulate Superabsorbent Polymer Having A Capacity Increase") was filed by Evonik on Apr 29, 2011. The application was issued on Nov 13, 2019.

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 13, 2017	GLAWE

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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Oct 17, 2019
Decision to maintain the European patent in amended form
Oct 17, 2019
Decision to maintain the European patent in amended form
Oct 11, 2019
Termination of the opposition proceedings with maintenance of patent
Oct 7, 2019
(Electronic) Receipt
Oct 7, 2019
Filing of the translation of the amended claims
Oct 7, 2019
French translation of claims
Oct 7, 2019
German translation of the claims
Oct 7, 2019
Letter accompanying subsequently filed items
Aug 7, 2019
Communication of bibliographic data
Aug 7, 2019
Communication to opponent concerning maintenance
Aug 7, 2019
Communication with request to file translations
Jul 26, 2019
Maintenance of the patent with the documents specified in the final decision
Jul 24, 2019
Maintenance of the patent with the documents specified in the final decision
Apr 25, 2019
Advice of delivery
Apr 18, 2019
Advice of delivery
Apr 17, 2019
Advice of delivery
Apr 15, 2019
Advice of delivery
Apr 12, 2019
Acknowledgement of a document
Apr 12, 2019
Acknowledgement of a document
Apr 12, 2019
Decision of the Opposition Division and instruction
Apr 12, 2019
Druckexemplar in opposition procedure
Apr 12, 2019
Grounds for the decision (Annex) - opposition
Apr 12, 2019
Interlocutory decision in opposition proceedings
Apr 12, 2019
Internal form - Opposition/addressees
Apr 12, 2019
Means of redress
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 13, 2019
Communication of amended entries concerning the representative
Mar 5, 2019
(Electronic) Receipt
Mar 5, 2019
General authorisation
Mar 5, 2019
Letter accompanying subsequently filed items
Mar 5, 2019
Submission concerning change of proprietor's representative
Jan 11, 2019
Brief communication - Opposition proceedings
Jan 8, 2019
(Electronic) Receipt
Jan 8, 2019
Letter accompanying subsequently filed items
Jan 8, 2019
Reply to an examination report in opposition proceedings
Jul 11, 2018
Annex to the communication - opposition
Jul 11, 2018
Communication inviting the parties to file observations
Jul 11, 2018
Internal form - Opposition/addressees
Jul 4, 2018
Communication inviting the parties to file observations
Feb 27, 2018
Brief communication - Opposition proceedings
Feb 22, 2018
(Electronic) Receipt
Feb 22, 2018
Letter accompanying subsequently filed items
Feb 22, 2018
Reply to an examination report in opposition proceedings
Oct 24, 2017
Annex to the communication - opposition
Oct 24, 2017
Communication inviting the parties to file observations
Oct 24, 2017
Internal form - Opposition/addressees
Sep 27, 2017
Brief communication - Opposition proceedings
Sep 22, 2017
(Electronic) Receipt
Sep 22, 2017
Amended claims with annotations
Sep 22, 2017
Amended claims with annotations
Sep 22, 2017
Amended claims with annotations
Sep 22, 2017
Amended claims with annotations
Sep 22, 2017
Claims
Sep 22, 2017
Claims
Sep 22, 2017
Claims
Sep 22, 2017
Claims
Sep 22, 2017
Description
Sep 22, 2017
Letter accompanying subsequently filed items
Sep 22, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 22, 2017
Communication of a notice of opposition and request to file observations
May 22, 2017
Notice of further oppositions to opponent(s)
Apr 21, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 13, 2017
(Electronic) Receipt
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Translation of the evidence during Opposition procedure
Aug 5, 2016
Communication of amended entries concerning the representative
Jul 13, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 16, 2016
Decision to grant a European patent
Jun 1, 2016
(Electronic) Receipt
Jun 1, 2016
Filing of the translations of the claims
Jun 1, 2016
French translation of claims
Jun 1, 2016
German translation of the claims
Jun 1, 2016
Letter accompanying subsequently filed items
May 18, 2016
Submission concerning change of applicant's representative
Apr 1, 2016
Bibliographic data of the European patent application
Apr 1, 2016
Communication about intention to grant a European patent
Apr 1, 2016
Intention to grant (signatures)
Apr 1, 2016
Text intended for grant (clean copy)
Apr 1, 2016
Text intended for grant (version for approval)
Feb 10, 2016
(Electronic) Receipt
Feb 10, 2016
Amended claims with annotations
Feb 10, 2016
Claims
Feb 10, 2016
Letter accompanying subsequently filed items
Feb 10, 2016
Reply to communication from the Examining Division
Feb 9, 2016
Annex to the communication
Feb 9, 2016
Consultation by telephone/in person
Feb 9, 2016
Result of consultation by telephone/in person
Oct 26, 2015
Annex to the communication
Oct 26, 2015
Communication from the Examining Division
Aug 5, 2015
(Electronic) Receipt
Aug 5, 2015
Claims
Aug 5, 2015
Letter accompanying subsequently filed items
Aug 5, 2015
Non-patent literature cited during the examination procedure
Aug 5, 2015
Reply to communication from the Examining Division
Apr 17, 2015
Annex to the communication
Apr 17, 2015
Communication from the Examining Division
Jan 28, 2015
Refund of fees
Jan 23, 2015
(Electronic) Receipt
Jan 23, 2015
Claims
Jan 23, 2015
Letter accompanying subsequently filed items
Jan 23, 2015
Reply to communication from the Examining Division
Oct 2, 2014
Annex to the communication
Oct 2, 2014
Communication from the Examining Division
Sep 26, 2014
Examination started
May 15, 2014
Communication of the registration of a transfer or change of name and/or address
May 10, 2014
Submission concerning a transfer of rights (applicant)
Apr 16, 2014
Submission concerning a transfer of rights (applicant)
May 7, 2013
(Electronic) Receipt
May 7, 2013
Amended claims filed after receipt of (European) search report
May 7, 2013
Amendments received before examination
May 7, 2013
Letter accompanying subsequently filed items
Feb 13, 2013
Notification on forthcoming publication of bibliographic data
Jan 24, 2013
Confirmation of receipt of (electronically) transmitted priority document
Jan 21, 2013
Priority document (electronically transmitted)
Jan 14, 2013
Priority document not received from IB during Euro-PCT phase
Dec 14, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Dec 12, 2012
Communication to designated inventor
Dec 12, 2012
Communication to designated inventor
Dec 12, 2012
Communication to designated inventor
Nov 27, 2012
Copy of the international preliminary report on patentability
Oct 31, 2012
Refund of fees
Oct 18, 2012
(Electronic) Receipt
Oct 18, 2012
Request for entry into the European phase
Sep 14, 2012
Information on entry into European phase
Nov 10, 2011
Copy of the international search report
Nov 10, 2011
Published international application - A1
Jul 4, 2011
Written opinion of the ISA, boxes No. I to VIII
Jul 4, 2011
Written opinion of the ISA, cover sheet
Jul 4, 2011
Written opinion of the ISA, supplemental box

EP2566901

EVONIK

Application Number: EP11719935A
Filing Date: Apr 29, 2011
Status: Patent Maintained As Amended; Oct 11, 2019
Publication Date: Nov 13, 2019
External Links: Slate, Register , Google Patents

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Particulate Superabsorbent Polymer Having A Capacity Increase

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Dossier Documents

EP2566901