Process For The Continuous Preparation Of Water-Absorbent Polymers

Patent No. EP2615120 (titled "Process For The Continuous Preparation Of Water-Absorbent Polymers") was filed by Evonik Degussa on Jan 12, 2012. The application was issued on Dec 21, 2022.

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	Oct 8, 2020	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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Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 18, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Filing of the translation of the amended claims
Nov 14, 2022
French translation of claims
Nov 14, 2022
German translation of the claims
Nov 14, 2022
Letter accompanying subsequently filed items
Sep 28, 2022
Communication to opponent concerning maintenance
Sep 28, 2022
Communication with request to file translations
Sep 13, 2022
Maintenance of the patent with the documents specified in the final decision
Jun 9, 2022
Advice of delivery
Jun 9, 2022
Advice of delivery
May 31, 2022
Advice of delivery
May 31, 2022
Annex to the communication - opposition
May 31, 2022
Decision of the Opposition Division and instruction
May 31, 2022
Druckexemplar in opposition procedure
May 31, 2022
Grounds for the decision (Annex) - opposition
May 31, 2022
Interlocutory decision in opposition proceedings
May 31, 2022
Interlocutory decision in opposition proceedings
May 31, 2022
Means of redress
May 31, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 31, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 31, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 31, 2022
Provision of a copy of the minutes - opposition procedure
May 31, 2022
Provision of a copy of the minutes - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Scanned annex to a communication - opposition procedure
May 31, 2022
Transmittal of decision / summons - opposition
May 31, 2022
Transmittal of decision / summons - opposition
Mar 22, 2022
Information about the result of oral proceedings
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Letter accompanying subsequently filed items
Jan 26, 2022
Brief communication - Opposition proceedings
Jan 26, 2022
Communication of the registration of a transfer or change of name and/or address
Jan 25, 2022
Brief communication - Opposition proceedings
Jan 24, 2022
Brief communication - Opposition proceedings
Jan 21, 2022
Brief communication - Opposition proceedings
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
Amended description with annotations
Jan 19, 2022
Amended description with annotations
Jan 19, 2022
Amended description with annotations
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure - 01
Jan 19, 2022
Auxiliary request during Opposition procedure - 02
Jan 19, 2022
Auxiliary request during Opposition procedure - 03
Jan 19, 2022
Citation in opposition procedure - 009
Jan 19, 2022
Consolidated list of cited opposition documents
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Request for interpreters during oral proceedings
Jan 19, 2022
Submission concerning a transfer of rights (applicant)
Jan 19, 2022
Written submission in preparation to/during oral proceedings
Jan 18, 2022
(Electronic) Receipt
Jan 18, 2022
Letter accompanying subsequently filed items
Jan 18, 2022
Written submission in preparation to/during oral proceedings
Jan 13, 2022
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Dec 22, 2021
Annexes in respect of a client data request
Dec 22, 2021
Submission concerning a transfer of rights (proprietor)
Dec 21, 2021
Brief communication - Opposition proceedings
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Notification concerning the date of oral proceedings
Dec 16, 2021
Notification concerning the date of oral proceedings
Dec 16, 2021
Request for interpreters during oral proceedings
Aug 5, 2021
Advice of delivery
Jul 27, 2021
Advice of delivery
Jul 27, 2021
Annex to the communication - opposition
Jul 27, 2021
Information concerning oral proceedings
Jul 27, 2021
Summons to attend oral proceedings
Jul 27, 2021
Summons to attend oral proceedings
Jul 27, 2021
Transmittal of decision / summons - opposition
Jul 27, 2021
Transmittal of decision / summons - opposition
Jun 22, 2021
Brief communication - Opposition proceedings
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Letter accompanying subsequently filed items
Jun 16, 2021
Reply from the opponent to submission of proprietor
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Letter accompanying subsequently filed items
Feb 18, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 20, 2020
Communication of a notice of opposition and request to file observations
Oct 20, 2020
Notice of further oppositions to opponent(s)
Oct 13, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 8, 2020
(Electronic) Receipt
Oct 8, 2020
Citation in opposition procedure - 001
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 003
Oct 8, 2020
Citation in opposition procedure - 003
Oct 8, 2020
Citation in opposition procedure - 004
Oct 8, 2020
Citation in opposition procedure - 005
Oct 8, 2020
Citation in opposition procedure - 005
Oct 8, 2020
Citation in opposition procedure - 006
Oct 8, 2020
Citation in opposition procedure - 007
Oct 8, 2020
Citation in opposition procedure - 007
Oct 8, 2020
Citation in opposition procedure - 008
Oct 8, 2020
Notice of opposition
Oct 8, 2020
Notice of opposition
Jan 20, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 12, 2019
Decision to grant a European patent
Nov 26, 2019
(Electronic) Receipt
Nov 26, 2019
Filing of the translations of the claims
Nov 26, 2019
French translation of claims
Nov 26, 2019
German translation of the claims
Nov 26, 2019
Letter accompanying subsequently filed items
Nov 12, 2019
Communication of the registration of a transfer or change of name and/or address
Nov 6, 2019
Submission concerning change of applicant's name
Nov 6, 2019
Submission concerning change of applicant's name
Sep 6, 2019
Bibliographic data of the European patent application
Sep 6, 2019
Communication about intention to grant a European patent
Sep 6, 2019
Intention to grant (signatures)
Sep 6, 2019
Text intended for grant (clean copy)
Sep 6, 2019
Text intended for grant (version for approval)
Jan 28, 2019
Submission concerning representation
Jan 24, 2019
Communication of amended entries concerning the representative
Jan 16, 2019
Submission concerning change of applicant's representative
Jan 14, 2019
Submission concerning change of applicant's representative
Nov 11, 2016
(Electronic) Receipt
Nov 11, 2016
Letter accompanying subsequently filed items
Nov 11, 2016
Reply to communication from the Examining Division
Jul 29, 2016
Annex to the communication
Jul 29, 2016
Communication from the Examining Division
Sep 10, 2015
(Electronic) Receipt
Sep 10, 2015
Amended description with annotations
Sep 10, 2015
Description
Sep 10, 2015
Letter accompanying subsequently filed items
Sep 10, 2015
Reply to communication from the Examining Division
Jun 2, 2015
Annex to the communication
Jun 2, 2015
Communication from the Examining Division
Mar 27, 2014
(Electronic) Receipt
Mar 27, 2014
Claims
Mar 27, 2014
Letter accompanying subsequently filed items
Mar 27, 2014
Reply to communication from the Examining Division
Feb 5, 2014
Grant of extension of time limit (examination procedure)
Jan 30, 2014
(Electronic) Receipt
Jan 30, 2014
Letter accompanying subsequently filed items
Jan 30, 2014
Request for extension of time limit to communication from the Examining Division
Sep 20, 2013
Annex to the communication
Sep 20, 2013
Communication from the Examining Division
Sep 16, 2013
Examination started
Aug 14, 2013
(Electronic) Receipt
Aug 14, 2013
Amended claims filed after receipt of (European) search report
Aug 14, 2013
Amended description filed after receipt of (European) search report
Aug 14, 2013
Amendments received before examination
Aug 14, 2013
Letter accompanying subsequently filed items
Jul 22, 2013
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 19, 2013
Notification of forthcoming publication
Jan 3, 2013
(Electronic) Receipt
Jan 3, 2013
Amended claims filed after receipt of (European) search report
Jan 3, 2013
Amended description filed after receipt of (European) search report
Jan 3, 2013
Amendments received before examination
Jan 3, 2013
Letter accompanying subsequently filed items
Oct 24, 2012
Communication to designated inventor
Oct 24, 2012
Communication to designated inventor
Oct 24, 2012
Communication to designated inventor
Oct 24, 2012
Communication to designated inventor
Oct 24, 2012
Communication to designated inventor
Oct 24, 2012
Communication to designated inventor
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)
Jun 25, 2012
Communication regarding the transmission of the European search report
Jun 25, 2012
European search opinion
Jun 25, 2012
European search report
Mar 6, 2012
Refund of fees
Feb 15, 2012
(Electronic) Receipt
Feb 15, 2012
Designation of inventor
Feb 15, 2012
Designation of inventor
Feb 15, 2012
Letter accompanying subsequently filed items
Feb 10, 2012
Deficiency in designation of inventor
Jan 12, 2012
Abstract
Jan 12, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 12, 2012
Claims
Jan 12, 2012
Description
Jan 12, 2012
Drawings
Jan 12, 2012
Request for grant of a European patent

EP2615120

EVONIK DEGUSSA

Application Number: EP12150875A
Filing Date: Jan 12, 2012
Status: Patent Maintained As Amended; Nov 18, 2022
Publication Date: Dec 21, 2022
External Links: Slate, Register , Google Patents

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Process For The Continuous Preparation Of Water-Absorbent Polymers

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Dossier Documents

EP2615120