Method For Producing Water-Absorbing Polymer Particles

Patent No. EP2550316 (titled "Method For Producing Water-Absorbing Polymer Particles") was filed by Basf on Mar 22, 2011. The application was issued on Nov 14, 2018.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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 KABUSHIKI KAISHA	Jun 17, 2016	HOFFMANN EITLE

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

Oct 18, 2018
Decision to maintain the European patent in amended form
Oct 18, 2018
Decision to maintain the European patent in amended form
Oct 15, 2018
Termination of the opposition proceedings with maintenance of patent
Oct 1, 2018
(Electronic) Receipt
Oct 1, 2018
English translation of the claims
Oct 1, 2018
Filing of the translation of the amended claims
Oct 1, 2018
French translation of claims
Aug 8, 2018
Communication of bibliographic data
Aug 8, 2018
Communication to opponent concerning maintenance
Aug 8, 2018
Communication with request to file translations
Jul 31, 2018
Maintenance of the patent with the documents specified in the final decision
Jul 23, 2018
Maintenance of the patent with the documents specified in the final decision
May 23, 2018
Advice of delivery
May 11, 2018
Advice of delivery
Apr 18, 2018
Advice of delivery
Apr 16, 2018
Advice of delivery
Apr 11, 2018
Acknowledgement of a document
Apr 11, 2018
Acknowledgement of a document
Apr 11, 2018
Annex to the communication - opposition
Apr 11, 2018
Decision of the Opposition Division and instruction
Apr 11, 2018
Druckexemplar in opposition procedure
Apr 11, 2018
Grounds for the decision (Annex) - opposition
Apr 11, 2018
Interlocutory decision in opposition proceedings
Apr 11, 2018
Internal form - Opposition/addressees
Apr 11, 2018
Internal form - Opposition/addressees
Apr 11, 2018
Means of redress
Apr 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 11, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 11, 2018
Provision of a copy of the minutes - opposition procedure
Apr 11, 2018
Scanned annex to a communication - opposition procedure
Feb 14, 2018
Information about the result of oral proceedings
Jan 25, 2018
Notification concerning the date of oral proceedings
Jan 25, 2018
Notification concerning the date of oral proceedings
Jan 15, 2018
Brief communication - Opposition proceedings
Jan 8, 2018
Letter regarding the opposition procedure (no time limit)
Dec 19, 2017
Brief communication - Opposition proceedings
Dec 12, 2017
Cover sheet for fax transmission
Dec 12, 2017
Request for interpreters during oral proceedings
Dec 7, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Request for interpreters during oral proceedings
Apr 19, 2017
Advice of delivery
Apr 10, 2017
Advice of delivery
Apr 4, 2017
Advice of delivery
Mar 29, 2017
Advice of delivery
Mar 27, 2017
Advice of delivery
Mar 22, 2017
Acknowledgement of a document
Mar 22, 2017
Acknowledgement of a document
Mar 22, 2017
Annex to the communication - opposition
Mar 22, 2017
Information concerning oral proceedings
Mar 22, 2017
Preparation for oral proceedings
Mar 22, 2017
Summons to attend oral proceedings
Mar 22, 2017
Summons to attend oral proceedings
Mar 17, 2017
Brief communication - Opposition proceedings
Mar 10, 2017
(Electronic) Receipt
Mar 10, 2017
Letter accompanying subsequently filed items
Mar 10, 2017
Letter regarding the opposition procedure (no time limit)
Mar 10, 2017
Non-patent literature cited during the opposition procedure
Mar 10, 2017
Non-patent literature cited during the opposition procedure
Mar 10, 2017
Non-patent literature cited during the opposition procedure
Mar 10, 2017
Non-patent literature cited during the opposition procedure
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 15, 2017
Submission concerning representation
Nov 28, 2016
Brief communication - Opposition proceedings
Nov 23, 2016
(Electronic) Receipt
Nov 23, 2016
Letter accompanying subsequently filed items
Nov 23, 2016
Reply of the patent proprietor to the notice(s) of opposition
Aug 2, 2016
Communication of a notice of opposition and request to file observations
Aug 2, 2016
Notice of further oppositions to opponent(s)
Jun 28, 2016
Communication of a notice of opposition - first information to patent proprietor
Jun 17, 2016
(Electronic) Receipt
Jun 17, 2016
Non-patent literature cited during the opposition procedure
Jun 17, 2016
Non-patent literature cited during the opposition procedure
Jun 17, 2016
Non-patent literature cited during the opposition procedure
Jun 17, 2016
Non-patent literature cited during the opposition procedure
Jun 17, 2016
Non-patent literature cited during the opposition procedure
Jun 17, 2016
Notice of opposition
Jun 17, 2016
Notice of opposition
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Jun 17, 2016
Patent document cited during the opposition procedure
Mar 16, 2016
Communication of amended entries concerning the representative
Mar 10, 2016
Submission concerning change of applicant's representative
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Sep 24, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 27, 2015
Decision to grant a European patent
Aug 10, 2015
(Electronic) Receipt
Aug 10, 2015
English translation of the claims
Aug 10, 2015
French translation of claims
Aug 10, 2015
Letter accompanying subsequently filed items
Jul 3, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jul 2, 2015
Transmittal of third party observations to applicant
Jun 24, 2015
Non-patent literature filed by a third party
Jun 24, 2015
Non-patent literature filed by a third party
May 27, 2015
Bibliographic data of the European patent application
May 27, 2015
Communication about intention to grant a European patent
May 27, 2015
Intention to grant (signatures)
May 27, 2015
Text intended for grant (clean copy)
May 27, 2015
Text intended for grant (version for approval)
Apr 23, 2015
Examination started
Jan 4, 2013
Notification on forthcoming publication of bibliographic data
Nov 8, 2012
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 6, 2012
Communication to designated inventor
Nov 6, 2012
Communication to designated inventor
Oct 10, 2012
Copy of the international preliminary report on patentability
Oct 9, 2012
(Electronic) Receipt
Oct 9, 2012
Request for entry into the European phase
Aug 3, 2012
Information on entry into European phase
Oct 17, 2011
Priority document (electronically transmitted)
Sep 29, 2011
Copy of the international search report
Sep 29, 2011
Published international application - A1
Jun 22, 2011
Written opinion of the ISA, boxes No. I to VIII
Jun 22, 2011
Written opinion of the ISA, cover sheet
Jun 22, 2011
Written opinion of the ISA, supplemental box
Mar 22, 2011
(Electronic) Receipt
Mar 22, 2011
Abstract
Mar 22, 2011
Claims
Mar 22, 2011
Description
Mar 22, 2011
Priority document (RO-procedure)

EP2550316

BASF

Application Number: EP11709147A
Filing Date: Mar 22, 2011
Status: Patent Maintained As Amended; Oct 12, 2018
Publication Date: Nov 14, 2018
External Links: Slate, Register , Google Patents

IP Verse

Method For Producing Water-Absorbing Polymer Particles

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2550316