IP Verse

Process For Preparing Color-Stable Water-Absorbing Polymer Particles With A Low Degree Of Neutralization

Patent No. EP2074153 (titled "Process For Preparing Color-Stable Water-Absorbing Polymer Particles With A Low Degree Of Neutralization") was filed by Basf on Sep 17, 2007. The application was issued on Sep 9, 2015.

Patent Summary

Patent Family

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	Jun 9, 2016	BASSIL

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

Get instant alerts for new documents

May 22, 2018
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
May 22, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 16, 2018
Termination of the opposition proceedings with maintenance of patent
Mar 7, 2018
Advice of delivery
Feb 13, 2018
Advice of delivery
Feb 9, 2018
Advice of delivery
Feb 6, 2018
Acknowledgement of a document
Feb 6, 2018
Acknowledgement of a document
Feb 6, 2018
Decision of the Opposition Division and instruction
Feb 6, 2018
Decision rejecting the opposition
Feb 6, 2018
Grounds for the decision (Annex) - opposition
Feb 6, 2018
Internal form - Opposition/addressees
Feb 6, 2018
Notification concerning the date of oral proceedings
Feb 6, 2018
Notification concerning the date of oral proceedings
Feb 6, 2018
Scanned annex to a communication - opposition procedure
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
(Electronic) Receipt
Jan 3, 2018
Letter accompanying subsequently filed items
Jan 3, 2018
Written submission in preparation to/during oral proceedings
Dec 21, 2017
Brief communication - Opposition proceedings
Dec 14, 2017
(Electronic) Receipt
Dec 14, 2017
Letter accompanying subsequently filed items
Dec 14, 2017
Request for interpreters during oral proceedings
Sep 26, 2017
Brief communication - Opposition proceedings
Sep 26, 2017
Communication of amended entries
Sep 14, 2017
Request concerning representative opponent
Mar 14, 2017
Advice of delivery
Mar 6, 2017
Advice of delivery
Mar 2, 2017
Advice of delivery
Feb 28, 2017
Advice of delivery
Feb 27, 2017
Acknowledgement of a document
Feb 27, 2017
Acknowledgement of a document
Feb 27, 2017
Annex to the communication - opposition
Feb 27, 2017
Preparation for oral proceedings
Feb 27, 2017
Summons to attend oral proceedings
Feb 27, 2017
Summons to attend oral proceedings
Feb 22, 2017
Information about the result of oral proceedings
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Nov 4, 2016
Brief communication - Opposition proceedings
Oct 31, 2016
(Electronic) Receipt
Oct 31, 2016
Any annexes (other than citation) to an opposition letter
Oct 31, 2016
Letter accompanying subsequently filed items
Oct 31, 2016
Non-patent literature cited during the opposition procedure
Oct 31, 2016
Non-patent literature cited during the opposition procedure
Oct 31, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jul 14, 2016
Communication of a notice of opposition and request to file observations
Jul 14, 2016
Notice of further oppositions to opponent(s)
Jun 16, 2016
Communication of a notice of opposition - first information to patent proprietor
Jun 9, 2016
(Electronic) Receipt
Jun 9, 2016
Any annexes (other than citation) to an opposition letter
Jun 9, 2016
Non-patent literature cited during the opposition procedure
Jun 9, 2016
Non-patent literature cited during the opposition procedure
Jun 9, 2016
Non-patent literature cited during the opposition procedure
Jun 9, 2016
Non-patent literature cited during the opposition procedure
Jun 9, 2016
Notice of opposition
Jun 9, 2016
Notice of opposition
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Jun 9, 2016
Patent document cited during the opposition procedure
Mar 16, 2016
Communication of amended entries concerning the representative
Mar 3, 2016
CDS Clean up - amended applicant details
Sep 9, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 24, 2015
Brief communication to applicant/representative
Aug 24, 2015
Transmittal of third party observations to applicant
Aug 13, 2015
Decision to grant a European patent
Aug 13, 2015
Non-patent literature filed by a third party
Aug 13, 2015
Observations by third parties
Jul 30, 2015
(Electronic) Receipt
Jul 30, 2015
English translation of the claims
Jul 30, 2015
French translation of claims
Jul 30, 2015
Letter accompanying subsequently filed items
Jul 6, 2015
Bibliographic data of the European patent application
Jul 6, 2015
Communication about intention to grant a European patent
Jul 6, 2015
Intention to grant (signatures)
Jul 6, 2015
Text intended for grant
Jun 26, 2015
Annex to the communication
Jun 26, 2015
Consultation by telephone/in person
Jun 26, 2015
Result of consultation by telephone/in person
Feb 26, 2014
(Electronic) Receipt
Feb 26, 2014
Amended description with annotations
Feb 26, 2014
Description
Feb 26, 2014
Letter accompanying subsequently filed items
Feb 26, 2014
Reply to communication from the Examining Division
Oct 28, 2013
Annex to the communication
Oct 28, 2013
Communication from the Examining Division
Jun 12, 2013
Amended claims with annotations
Jun 12, 2013
Amended description with annotations
Jun 12, 2013
Claims
Jun 12, 2013
Description
Jun 12, 2013
Reply to communication from the Examining Division
Feb 19, 2013
Annex to the communication
Feb 19, 2013
Communication from the Examining Division
Jan 13, 2012
(Electronic) Receipt
Jan 13, 2012
Citation for the examination procedure
Jan 13, 2012
Letter accompanying subsequently filed items
Jan 13, 2012
Reply to communication from the Examining Division
Sep 19, 2011
Annex to the communication
Sep 19, 2011
Communication from the Examining Division
Mar 12, 2011
Amended claims with annotations
Mar 12, 2011
Amended description with annotations
Mar 12, 2011
Claims
Mar 12, 2011
Description
Mar 12, 2011
Reply to communication from the Examining Division
Nov 9, 2010
Annex to the communication
Nov 9, 2010
Communication from the Examining Division
Dec 1, 2009
Claims
Dec 1, 2009
Claims
Dec 1, 2009
Description
Dec 1, 2009
Description
Dec 1, 2009
Reply to communication from the Examining Division
Jul 28, 2009
Annex to the communication
Jul 28, 2009
Communication from the Examining Division
Jun 4, 2009
Notification on forthcoming publication of bibliographic data
May 12, 2009
Communication regarding possible amendment of claims/payment of claims fees
Apr 14, 2009
Copy of the international preliminary report on patentability
Feb 4, 2009
(Electronic) Receipt
Feb 4, 2009
Request for entry into the European phase
Jan 29, 2009
Information on entry into European phase
Apr 23, 2008
Priority document (electronically transmitted)
Apr 15, 2008
Notification of the recording of a change
Mar 27, 2008
Copy of the international search report
Mar 27, 2008
Copy of the international search report
Mar 27, 2008
Published international application - A1
Sep 17, 2007
Abstract
Sep 17, 2007
Claims
Sep 17, 2007
Description

EP2074153

BASF

Application Number: EP07820241A
Filing Date: Sep 17, 2007
Status: Opposition Rejected; May 18, 2018
Publication Date: Sep 9, 2015
External Links: Slate, Register , Google Patents