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Method Of Using Aldehyde-Functionalized Polymers To Increase Papermachine Performance And Enhance Sizing

Patent No. EP2635634 (titled "Method Of Using Aldehyde-Functionalized Polymers To Increase Papermachine Performance And Enhance Sizing") was filed by Nalco on Nov 1, 2011. The application was issued on Mar 22, 2017.

Patent Summary

Patent Family

Patent Oppositions (2)

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	Dec 18, 2017	INGRASSIA
BASF	Dec 18, 2017	LKGLOBAL UK

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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Feb 17, 2023
Termination of the opposition proceedings with revocation of patent
Feb 14, 2023
Decision of the Board of Appeal
Feb 14, 2023
Decision of the Board of Appeal
Feb 14, 2023
F3032 Notification(s) of the decision
Feb 14, 2023
F3032 Notification(s) of the decision
Nov 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 22, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 22, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 15, 2022
F3345 Forwarding of submissions to parties
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
F3345 Forwarding of submissions to parties
Nov 14, 2022
F3345 Forwarding of submissions to parties
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 14, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 26, 2022
(Electronic) Receipt
Oct 26, 2022
(Electronic) Receipt
Oct 26, 2022
F3345 Forwarding of submissions to parties
Oct 26, 2022
Letter accompanying subsequently filed items
Oct 26, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 26, 2022
Oral proceedings: change of venue
Oct 26, 2022
Oral proceedings: change of venue
Oct 26, 2022
Oral proceedings: reply to date proposed
Oct 21, 2022
(Electronic) Receipt
Oct 21, 2022
F3345 Forwarding of submissions to parties
Oct 21, 2022
Letter accompanying subsequently filed items
Oct 21, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
F3345 Forwarding of submissions to parties
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 20, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 20, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 1, 2021
F3010 Oral proceedings: order for summons
Nov 30, 2021
F3303.16 Change of composition of the Board (T)
Jan 9, 2020
F3345 Forwarding of submissions to parties
Dec 30, 2019
(Electronic) Receipt
Dec 30, 2019
Amended claims with annotations
Dec 30, 2019
Amended claims with annotations
Dec 30, 2019
Auxiliary request during appeals procedure - 01
Dec 30, 2019
Letter accompanying subsequently filed items
Dec 30, 2019
Main request during appeals procedure
Dec 30, 2019
Reply to appeal
Nov 12, 2019
Composition of the board (T)
Aug 23, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 15, 2019
(Electronic) Receipt
Aug 15, 2019
Letter accompanying subsequently filed items
Aug 15, 2019
Patent Document cited during the appeal procedure
Aug 15, 2019
Statement of grounds of appeal
Jun 19, 2019
F3204 Communication of the file number to the parties
Jun 19, 2019
F3204 Communication of the file number to the parties
Jun 14, 2019
Brief communication - Opposition proceedings
Jun 14, 2019
Communication of amended entries
Jun 14, 2019
Processing of an appeal
Jun 13, 2019
(Electronic) Receipt
Jun 13, 2019
Letter accompanying subsequently filed items
Jun 13, 2019
Notice of appeal
Jun 7, 2019
(Electronic) Receipt
Jun 7, 2019
Request for change of opponent's representative
Apr 23, 2019
Advice of delivery
Apr 18, 2019
Advice of delivery
Apr 17, 2019
Advice of delivery
Apr 16, 2019
Advice of delivery
Apr 15, 2019
Acknowledgement of a document
Apr 15, 2019
Acknowledgement of a document
Apr 15, 2019
Annex to the communication - opposition
Apr 15, 2019
Decision of the Opposition Division and instruction
Apr 15, 2019
Druckexemplar in opposition procedure
Apr 15, 2019
Grounds for the decision (Annex) - opposition
Apr 15, 2019
Interlocutory decision in opposition proceedings
Apr 15, 2019
Internal form - Opposition/addressees
Apr 15, 2019
Internal form - Opposition/addressees
Apr 15, 2019
Means of redress
Apr 15, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 15, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 15, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 15, 2019
Provision of a copy of the minutes - opposition procedure
Mar 26, 2019
Information about the result of oral proceedings
Mar 1, 2019
Brief communication - Opposition proceedings
Feb 28, 2019
Brief communication - Opposition proceedings
Feb 25, 2019
(Electronic) Receipt
Feb 25, 2019
Letter accompanying subsequently filed items
Feb 25, 2019
Written submission in preparation to/during oral proceedings
Feb 22, 2019
(Electronic) Receipt
Feb 22, 2019
Any annexes (other than citation) to an opposition letter
Feb 22, 2019
Any annexes (other than citation) to an opposition letter
Feb 22, 2019
Letter accompanying subsequently filed items
Feb 22, 2019
Written submission in preparation to/during oral proceedings
Feb 1, 2019
Brief communication - Opposition proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Claims
Jan 25, 2019
Claims
Jan 25, 2019
Claims
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 25, 2019
Written submission in preparation to/during oral proceedings
Jan 22, 2019
(Electronic) Receipt
Jan 22, 2019
Letter accompanying subsequently filed items
Jan 22, 2019
Oral proceedings: reply to date proposed
Jan 21, 2019
Brief communication - Opposition proceedings
Jan 12, 2019
(Electronic) Receipt
Jan 12, 2019
Request for interpreters during oral proceedings
Sep 28, 2018
Brief communication - Opposition proceedings
Sep 28, 2018
Communication of amended entries
Sep 24, 2018
(Electronic) Receipt
Sep 24, 2018
Letter accompanying subsequently filed items
Sep 24, 2018
Request for change of opponent's representative
Jul 31, 2018
Advice of delivery
Jul 30, 2018
Advice of delivery
Jul 26, 2018
Advice of delivery
Jul 24, 2018
Acknowledgement of a document
Jul 24, 2018
Acknowledgement of a document
Jul 24, 2018
Annex to the communication - opposition
Jul 24, 2018
Information concerning oral proceedings
Jul 24, 2018
Preparation for oral proceedings
Jul 24, 2018
Summons to attend oral proceedings
Jul 24, 2018
Summons to attend oral proceedings
Jun 1, 2018
Brief communication - Opposition proceedings
May 25, 2018
(Electronic) Receipt
May 25, 2018
Amended claims with annotations
May 25, 2018
Claims
May 25, 2018
Letter accompanying subsequently filed items
May 25, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 16, 2018
Communication of a notice of opposition and request to file observations
Jan 16, 2018
Notice of further oppositions to opponent(s)
Dec 22, 2017
Communication of a notice of opposition - first information to patent proprietor
Dec 18, 2017
(Electronic) Receipt
Dec 18, 2017
Notice of opposition
Dec 18, 2017
Notice of opposition
Dec 18, 2017
Patent document cited during the opposition procedure
Dec 18, 2017
Patent document cited during the opposition procedure
Dec 18, 2017
Patent document cited during the opposition procedure
Dec 18, 2017
Patent document cited during the opposition procedure
Dec 18, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 23, 2017
Decision to grant a European patent
Feb 13, 2017
(Electronic) Receipt
Feb 13, 2017
Filing of the translations of the claims
Feb 13, 2017
French translation of claims
Feb 13, 2017
German translation of the claims
Feb 13, 2017
Letter accompanying subsequently filed items
Oct 19, 2016
Bibliographic data of the European patent application
Oct 19, 2016
Communication about intention to grant a European patent
Oct 19, 2016
Intention to grant (signatures)
Oct 19, 2016
Text intended for grant (clean copy)
Oct 19, 2016
Text intended for grant (version for approval)
Jun 21, 2016
(Electronic) Receipt
Jun 21, 2016
Description
Jun 21, 2016
Letter accompanying subsequently filed items
Jun 21, 2016
Reply to communication from the Examining Division
Apr 14, 2016
Annex to the communication
Apr 14, 2016
Communication from the Examining Division
Apr 8, 2016
Examination started
Mar 18, 2016
(Electronic) Receipt
Mar 18, 2016
Amended claims filed after receipt of (European) search report
Mar 18, 2016
Amended claims with annotations
Mar 18, 2016
Amendments received before examination
Mar 18, 2016
Letter accompanying subsequently filed items
Oct 8, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 21, 2015
Communication regarding the transmission of the European search report
Sep 21, 2015
European search opinion
Sep 21, 2015
Supplementary European search report
Sep 14, 2015
Search started
Dec 4, 2014
Submission concerning representation
Aug 14, 2013
Notification on forthcoming publication of bibliographic data
Jun 11, 2013
Communication regarding possible amendment of the application/payment of claims fee
Jun 7, 2013
Communication to designated inventor
Jun 7, 2013
Communication to designated inventor
May 24, 2013
Copy of the international preliminary report on patentability
May 22, 2013
(Electronic) Receipt
May 22, 2013
Request for entry into the European phase
Mar 15, 2013
Information on entry into European phase
Jul 19, 2012
Copy of the international search report
Jul 19, 2012
International publication of the international search report
Jun 1, 2012
Priority document (electronically transmitted)
May 10, 2012
Published international application - A2

EP2635634

NALCO

Application Number: EP11838677A
Filing Date: Nov 1, 2011
Status: Revoked; Feb 17, 2023
Publication Date: Mar 22, 2017
External Links: Slate, Register , Google Patents