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Method Of Using Aldehyde-Functionalized Polymers To Increase Papermachine Performance And Enhance Sizing - EP2635634

The patent EP2635634 was granted to Nalco on Mar 22, 2017. The application was originally filed on Nov 1, 2011 under application number EP11838677A. The patent is currently recorded with a legal status of "Revoked".

EP2635634

NALCO

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

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	Opposition Status
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BASF	Dec 18, 2017	INGRASSIA	ADMISSIBLE
BASF	Dec 18, 2017	LKGLOBAL UK	ADMISSIBLE

Patent Citations (10) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
INTERNATIONAL-SEARCH-REPORT	EP0151994
INTERNATIONAL-SEARCH-REPORT	US2006142535
INTERNATIONAL-SEARCH-REPORT	US2011146925
INTERNATIONAL-SEARCH-REPORT	US6238521
INTERNATIONAL-SEARCH-REPORT	US7641766
OPPOSITION	EP0151994
OPPOSITION	US7641766
OPPOSITION	WO0015906
OPPOSITION	WO2008028865
OPPOSITION	WO2008141093

Non-Patent Literature (NPL) Citations (1) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation Phase	Reference Text
SEARCH	[ ] - No further relevant documents disclosed

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