Quaternary Vinylamine-Containing Polymers As Additives In Papermaking

Patent No. EP2391660 (titled "Quaternary Vinylamine-Containing Polymers As Additives In Papermaking") was filed by Hercules Incorporated on Jan 29, 2010. The application was issued on Oct 15, 2014.

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
BASF	Jun 1, 2015	BASF ASSOCIATION

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

Jul 18, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 18, 2017
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 11, 2017
Termination of the opposition proceedings with revocation of patent
Apr 19, 2017
Advice of delivery
Apr 18, 2017
Advice of delivery
Mar 31, 2017
Advice of delivery
Mar 30, 2017
Acknowledgement of a document
Mar 30, 2017
Acknowledgement of a document
Mar 30, 2017
Annex to the communication - opposition
Mar 30, 2017
Decision of the Opposition Division and instruction
Mar 30, 2017
Decision revoking the European patent
Mar 30, 2017
Grounds for the decision (Annex) - opposition
Mar 30, 2017
Internal form - Opposition/addressees
Mar 30, 2017
Internal form - Opposition/addressees
Mar 30, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 30, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 30, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 30, 2017
Provision of a copy of the minutes - opposition procedure
Mar 30, 2017
Scanned annex to a communication - opposition procedure
Mar 30, 2017
Scanned annex to a communication - opposition procedure
Mar 8, 2017
Information about the result of oral proceedings
Mar 2, 2017
Brief communication - Opposition proceedings
Mar 2, 2017
Communication of amended entries
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the opponent (Association)
Jan 16, 2017
Brief communication - Opposition proceedings
Jan 13, 2017
Brief communication - Opposition proceedings
Jan 12, 2017
Brief communication - Opposition proceedings
Jan 9, 2017
(Electronic) Receipt
Jan 9, 2017
Auxiliary request during Opposition procedure
Jan 9, 2017
Auxiliary request during Opposition procedure
Jan 9, 2017
Letter accompanying subsequently filed items
Jan 9, 2017
Main request during Opposition procedure
Jan 9, 2017
Request for interpreters during oral proceedings
Jan 9, 2017
Written submission in preparation to/during oral proceedings
Jan 4, 2017
(Electronic) Receipt
Jan 4, 2017
Letter accompanying subsequently filed items
Jan 4, 2017
Request for interpreters during oral proceedings
Jan 4, 2017
Written submission in preparation to/during oral proceedings
Jan 3, 2017
Brief communication - Opposition proceedings
Dec 22, 2016
(Electronic) Receipt
Dec 22, 2016
Letter accompanying subsequently filed items
Dec 22, 2016
Request for interpreters during oral proceedings
Oct 28, 2016
Brief communication - Opposition proceedings
Oct 21, 2016
(Electronic) Receipt
Oct 21, 2016
Letter accompanying subsequently filed items
Oct 21, 2016
Written submission in preparation to/during oral proceedings
Oct 4, 2016
Brief communication - Opposition proceedings
Sep 22, 2016
(Electronic) Receipt
Sep 22, 2016
Citation in opposition procedure
Sep 22, 2016
Letter accompanying subsequently filed items
Sep 22, 2016
Non-patent literature cited during the opposition procedure
Sep 22, 2016
Non-patent literature cited during the opposition procedure
Sep 22, 2016
Non-patent literature cited during the opposition procedure
Sep 22, 2016
Patent document cited during the opposition procedure
Sep 22, 2016
Written submission in preparation to/during oral proceedings
Jul 19, 2016
Advice of delivery
Jul 15, 2016
Advice of delivery
Jul 13, 2016
Advice of delivery
Jul 8, 2016
Advice of delivery
Jul 7, 2016
Acknowledgement of a document
Jul 7, 2016
Acknowledgement of a document
Jul 7, 2016
Annex to the communication - opposition
Jul 7, 2016
Information concerning oral proceedings
Jul 7, 2016
Preparation for oral proceedings
Jul 7, 2016
Summons to attend oral proceedings
Jul 7, 2016
Summons to attend oral proceedings
Jun 30, 2016
Information about the result of oral proceedings
Apr 22, 2016
CDS Clean up - amended applicant details
Apr 14, 2016
Submission concerning change of applicant's address
Mar 11, 2016
Communication of amended entries
Mar 3, 2016
Request for change of opponent's representative
Jan 26, 2016
Brief communication - Opposition proceedings
Jan 18, 2016
(Electronic) Receipt
Jan 18, 2016
Claims
Jan 18, 2016
Letter accompanying subsequently filed items
Jan 18, 2016
Reply of the patent proprietor to the notice(s) of opposition
Nov 11, 2015
Brief communication - Opposition proceedings
Nov 11, 2015
Grant of extension of time limit (opposition procedure)
Nov 5, 2015
(Electronic) Receipt
Nov 5, 2015
Letter accompanying subsequently filed items
Nov 5, 2015
Request for extension of time limit
Jul 8, 2015
Communication of a notice of opposition and request to file observations
Jul 8, 2015
Notice of further oppositions to opponent(s)
Jun 8, 2015
Communication of a notice of opposition - first information to patent proprietor
Jun 3, 2015
Letter regarding the opposition procedure (no time limit)
Jun 1, 2015
(Electronic) Receipt
Jun 1, 2015
Notice of opposition
Jun 1, 2015
Notice of opposition
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Patent document cited during the opposition procedure
Jun 1, 2015
Translation of the evidence during Opposition procedure
Sep 5, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 4, 2014
Correction to published European patent application/patent specification
Sep 3, 2014
Communication of the registration of a transfer or change of name and/or address
Aug 28, 2014
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Aug 25, 2014
(Electronic) Receipt
Aug 25, 2014
Annexes in respect of a client data request
Aug 25, 2014
Letter accompanying subsequently filed items
Aug 25, 2014
Submission concerning a transfer of rights (applicant)
Aug 19, 2014
(Electronic) Receipt
Aug 19, 2014
Annexes in respect of a client data request
Aug 19, 2014
Letter accompanying subsequently filed items
Aug 19, 2014
Submission concerning a transfer of rights (applicant)
Aug 7, 2014
Decision to grant a European patent
Jul 24, 2014
(Electronic) Receipt
Jul 24, 2014
Filing of the translations of the claims
Jul 24, 2014
French translation of claims
Jul 24, 2014
German translation of the claims
Jul 24, 2014
Letter accompanying subsequently filed items
May 22, 2014
Bibliographic data of the European patent application
May 22, 2014
Communication about intention to grant a European patent
May 22, 2014
Intention to grant (signatures)
May 22, 2014
Text intended for grant
Mar 27, 2014
(Electronic) Receipt
Mar 27, 2014
Description
Mar 27, 2014
Letter accompanying subsequently filed items
Mar 27, 2014
Reply to communication from the Examining Division
Jan 22, 2014
Annex to the communication
Jan 22, 2014
Communication from the Examining Division
Jan 16, 2014
Examination started
Aug 9, 2013
Communication of the registration of a transfer or change of name and/or address
Aug 7, 2013
Submission concerning change of applicant's address
Aug 6, 2013
Submission concerning change of applicant's address
Apr 4, 2013
Submission concerning representation
Apr 3, 2013
Submission concerning representation
Mar 21, 2012
Amended claims filed after receipt of (European) search report
Mar 21, 2012
Amendments received before examination
Mar 19, 2012
Amended claims filed after receipt of (European) search report
Mar 19, 2012
Amendments received before examination
Jan 2, 2012
Letter relating to the automatic debiting procedure
Dec 20, 2011
Confirmation of revocation of automatic debit order
Dec 14, 2011
Letter relating to the automatic debiting procedure
Nov 9, 2011
Notification on forthcoming publication of bibliographic data
Sep 19, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Sep 17, 2011
Letter concerning the inventor
Sep 15, 2011
Letter concerning the inventor
Aug 17, 2011
Copy of the international preliminary report on patentability
Jul 27, 2011
Request for entry into the European phase
Jul 25, 2011
Fax request to enter the European phase
Jul 25, 2011
Patent document cited during the examination procedure
Jun 10, 2011
Information on entry into European phase
Aug 25, 2010
Priority document (electronically transmitted)
Aug 5, 2010
Copy of the international search report
Aug 5, 2010
Published international application - A1
Apr 9, 2010
Written opinion of the ISA, boxes No. I to VIII
Apr 9, 2010
Written opinion of the ISA, cover sheet
Apr 9, 2010
Written opinion of the ISA, supplemental box
Feb 9, 2010
Abstract
Feb 9, 2010
Claims
Feb 9, 2010
Description
Feb 9, 2010
Submission concerning representation

EP2391660

HERCULES INCORPORATED

Application Number: EP10702577A
Filing Date: Jan 29, 2010
Status: Revoked; Apr 15, 2019
Publication Date: Oct 15, 2014
External Links: Slate, Register , Google Patents

IP Verse

Quaternary Vinylamine-Containing Polymers As Additives In Papermaking

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2391660