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IP Verse

Method Of Reducing The Viscosity Of Hydrocarbon Fluids - EP2454339

The patent EP2454339 was granted to Nalco on Sep 27, 2017. The application was filed on Jul 9, 2010 under application number EP10797885A. The patent is currently recorded with a legal status of "Revoked".

EP2454339

NALCO

Application Number: EP10797885A
Filing Date: Jul 9, 2010
Status: Revoked; Sep 1, 2023
Publication Date: Sep 27, 2017
External Links: Slate, Register, Google Patents

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	Opposition Status
CLARIANT PRODUKTE DEUTSCHLAND	Jun 22, 2018	MIKULECKY	ADMISSIBLE

Patent Citations (9) New

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

Citation Phase	Publication Number
INTERNATIONAL-SEARCH-REPORT	JP2005133075
INTERNATIONAL-SEARCH-REPORT	US2005034862
INTERNATIONAL-SEARCH-REPORT	US2009170730
INTERNATIONAL-SEARCH-REPORT	WO2004050791
OPPOSITION	CA2698785
OPPOSITION	US2005049327
SEARCH	GB2091320
SEARCH	US5362827
SEARCH	WO2005100517

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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Aug 31, 2023
Termination of the opposition proceedings with revocation of patent
OPPO
Aug 30, 2023
Refund of fees
Search/Exam
Aug 29, 2023
Decision of the Board of Appeal
Appeal
Aug 29, 2023
F3032 Notification(s) of the decision
Appeal
Aug 29, 2023
F3032 Notification(s) of the decision
Appeal
Aug 24, 2023
F3345 Forwarding of submissions to parties
Appeal
Aug 18, 2023
(Electronic) Receipt
Appeal
Aug 18, 2023
Letter accompanying subsequently filed items
Appeal
Aug 18, 2023
Letter dealing with oral proceedings during the appeal procedure
Appeal
May 4, 2023
F3345 Forwarding of submissions to parties
Appeal
Apr 28, 2023
(Electronic) Receipt
Appeal
Apr 28, 2023
Letter accompanying subsequently filed items
Appeal
Apr 28, 2023
Letter relating to Appeal Procedure
Appeal
Apr 25, 2023
F3326 Communication with time limit (inter partes)
Appeal
Apr 25, 2023
F3326 Communication with time limit (inter partes)
Appeal
Jun 23, 2022
F3345 Forwarding of submissions to parties
Appeal
Jun 20, 2022
(Electronic) Receipt
Appeal
Jun 20, 2022
Letter accompanying subsequently filed items
Appeal
Jun 20, 2022
Letter relating to Appeal Procedure
Appeal
May 23, 2022
F3004 Communication of the Registry
Appeal
May 23, 2022
F3004 Communication of the Registry
Appeal
Jan 24, 2022
F3303.16 Change of composition of the Board (T)
Appeal
Nov 10, 2021
Document concerning representation
Search/Exam
Nov 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
F3345 Forwarding of submissions to parties
Appeal
Oct 1, 2020
F3345 Forwarding of submissions to parties
Appeal
Sep 16, 2020
(Electronic) Receipt
Appeal
Sep 16, 2020
Letter accompanying subsequently filed items
Appeal
Sep 16, 2020
Non-Patent Literature cited during the appeal procedure
Appeal
Sep 16, 2020
Non-Patent Literature cited during the appeal procedure
Appeal
Sep 16, 2020
Non-Patent Literature cited during the appeal procedure
Appeal
Sep 16, 2020
Non-Patent Literature cited during the appeal procedure
Appeal
Sep 16, 2020
Reply to appeal
Appeal
Sep 16, 2020
Withdrawal of an appeal
Appeal
Jun 4, 2020
Communication of amended entries concerning the representative
Appeal
May 29, 2020
Submission concerning change of applicant's representative
Appeal
May 25, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Appeal
May 25, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Appeal
May 16, 2020
(Electronic) Receipt
Appeal
May 16, 2020
Amended claims with annotations
Appeal
May 16, 2020
Amended claims with annotations
Appeal
May 16, 2020
Amended claims with annotations
Appeal
May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
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May 16, 2020
Amended claims with annotations
Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
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Appeal
May 16, 2020
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Appeal
May 16, 2020
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May 16, 2020
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Appeal
May 16, 2020
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May 16, 2020
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Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
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Appeal
May 16, 2020
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Appeal
May 16, 2020
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Appeal
May 16, 2020
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Appeal
May 16, 2020
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Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
Claims
Appeal
May 16, 2020
Letter regarding the opposition procedure (no time limit)
Appeal
May 16, 2020
Statement of grounds of appeal
Appeal
May 14, 2020
Composition of the board (T)
Appeal
May 4, 2020
Statement of grounds of appeal
Appeal
Mar 19, 2020
F3204 Communication of the file number to the parties
Appeal
Mar 13, 2020
(Electronic) Receipt
Appeal
Mar 13, 2020
F3204 Communication of the file number to the parties
Appeal
Mar 13, 2020
Letter accompanying subsequently filed items
Appeal
Mar 13, 2020
Notice of appeal
Appeal
Mar 9, 2020
(Electronic) Receipt
Appeal
Mar 9, 2020
Letter accompanying subsequently filed items
Appeal
Mar 9, 2020
Notice of appeal
Appeal
Jan 17, 2020
Advice of delivery
OPPO
Jan 13, 2020
Advice of delivery
OPPO
Jan 7, 2020
Acknowledgement of a document
OPPO
Jan 7, 2020
Acknowledgement of a document
OPPO
Jan 7, 2020
Annex to the communication - opposition
OPPO
Jan 7, 2020
Decision of the Opposition Division and instruction
OPPO
Jan 7, 2020
Druckexemplar in opposition procedure
OPPO
Jan 7, 2020
Grounds for the decision (Annex) - opposition
OPPO
Jan 7, 2020
Interlocutory decision in opposition proceedings
OPPO
Jan 7, 2020
Internal form - Opposition/addressees
OPPO
Jan 7, 2020
Internal form - Opposition/addressees
OPPO
Jan 7, 2020
Means of redress
OPPO
Jan 7, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Jan 7, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Jan 7, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Jan 7, 2020
Provision of a copy of the minutes - opposition procedure
OPPO
Jan 7, 2020
Scanned annex to a communication - opposition procedure
OPPO
Jan 7, 2020
Scanned annex to a communication - opposition procedure
OPPO
Dec 10, 2019
Information about the result of oral proceedings
OPPO
Dec 5, 2019
Brief communication - Opposition proceedings
OPPO
Dec 2, 2019
(Electronic) Receipt
OPPO
Dec 2, 2019
Citation in opposition procedure
OPPO
Dec 2, 2019
Letter accompanying subsequently filed items
OPPO
Dec 2, 2019
Written submission in preparation to/during oral proceedings
OPPO
Nov 28, 2019
Brief communication - Opposition proceedings
OPPO
Nov 28, 2019
Brief communication - Opposition proceedings
OPPO
Nov 22, 2019
(Electronic) Receipt
OPPO
Nov 22, 2019
Letter accompanying subsequently filed items
OPPO
Nov 22, 2019
Written submission in preparation to/during oral proceedings
OPPO
Nov 18, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
Nov 5, 2019
Brief communication - Opposition proceedings
OPPO
Oct 29, 2019
(Electronic) Receipt
OPPO
Oct 29, 2019
Letter accompanying subsequently filed items
OPPO
Oct 29, 2019
Written submission in preparation to/during oral proceedings
OPPO
Oct 15, 2019
Brief communication - Opposition proceedings
OPPO
Oct 10, 2019
(Electronic) Receipt
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Amended claims with annotations
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
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OPPO
Oct 10, 2019
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OPPO
Oct 10, 2019
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OPPO
Oct 10, 2019
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OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
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OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Claims
OPPO
Oct 10, 2019
Letter accompanying subsequently filed items
OPPO
Oct 10, 2019
Non-patent literature cited during the opposition procedure
OPPO
Oct 10, 2019
Non-patent literature cited during the opposition procedure
OPPO
Oct 10, 2019
Written submission in preparation to/during oral proceedings
OPPO
Aug 29, 2019
Brief communication - Opposition proceedings
OPPO
Aug 20, 2019
Citation in opposition procedure
OPPO
Aug 20, 2019
Non-patent literature cited during the opposition procedure
OPPO
Aug 20, 2019
Written submission in preparation to/during oral proceedings
OPPO
Jun 26, 2019
Advice of delivery
OPPO
Jun 4, 2019
Brief communication - Opposition proceedings
OPPO
May 24, 2019
(Electronic) Receipt
OPPO
May 24, 2019
Letter accompanying subsequently filed items
OPPO
May 24, 2019
Request for interpreters during oral proceedings
OPPO
Apr 15, 2019
Brief communication - Opposition proceedings
OPPO
Apr 9, 2019
Advice of delivery
OPPO
Apr 9, 2019
Advice of delivery
OPPO
Apr 9, 2019
Authorisation
OPPO
Apr 9, 2019
Request for interpreters during oral proceedings
OPPO
Apr 8, 2019
Advice of delivery
OPPO
Apr 3, 2019
Acknowledgement of a document
OPPO
Apr 3, 2019
Acknowledgement of a document
OPPO
Apr 3, 2019
Annex to the communication - opposition
OPPO
Apr 3, 2019
Information concerning oral proceedings
OPPO
Apr 3, 2019
Summons to attend oral proceedings
OPPO
Apr 3, 2019
Summons to attend oral proceedings
OPPO
Feb 27, 2019
Miscellaneous requests concerning client data
OPPO
Feb 12, 2019
Brief communication - Opposition proceedings
OPPO
Feb 1, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
Nov 20, 2018
Brief communication - Opposition proceedings
OPPO
Nov 8, 2018
(Electronic) Receipt
OPPO
Nov 8, 2018
Amended claims with annotations
OPPO
Nov 8, 2018
Amended claims with annotations
OPPO
Nov 8, 2018
Amended claims with annotations
OPPO
Nov 8, 2018
Claims
OPPO
Nov 8, 2018
Claims
OPPO
Nov 8, 2018
Claims
OPPO
Nov 8, 2018
Letter accompanying subsequently filed items
OPPO
Nov 8, 2018
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jul 11, 2018
Communication of a notice of opposition and request to file observations
OPPO
Jul 11, 2018
Notice of further oppositions to opponent(s)
OPPO
Jul 2, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Jun 22, 2018
(Electronic) Receipt
OPPO
Jun 22, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jun 22, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jun 22, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jun 22, 2018
Notice of opposition
OPPO
Jun 22, 2018
Notice of opposition
OPPO
Jun 22, 2018
Patent document cited during the opposition procedure
OPPO
Jun 22, 2018
Patent document cited during the opposition procedure
OPPO
Oct 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 14, 2017
(Electronic) Receipt
Search/Exam
Aug 14, 2017
Filing of the translations of the claims
Search/Exam
Aug 14, 2017
French translation of claims
Search/Exam
Aug 14, 2017
German translation of the claims
Search/Exam
Aug 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2017
Bibliographic data of the European patent application
Search/Exam
Apr 13, 2017
Communication about intention to grant a European patent
Search/Exam
Apr 13, 2017
Intention to grant (signatures)
Search/Exam
Apr 13, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 13, 2017
Text intended for grant (version for approval)
Search/Exam
Apr 5, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
Mar 23, 2017
(Electronic) Receipt
Search/Exam
Mar 23, 2017
Amended claims with annotations
Search/Exam
Mar 23, 2017
Claims
Search/Exam
Mar 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Search/Exam
Mar 2, 2017
Communication of amended entries concerning the representative
Search/Exam
Feb 24, 2017
Bibliographic data of the European patent application
Search/Exam
Feb 24, 2017
Communication about intention to grant a European patent
Search/Exam
Feb 24, 2017
Intention to grant (signatures)
Search/Exam
Feb 24, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 24, 2017
Text intended for grant (version for approval)
Search/Exam
Feb 22, 2017
Submission concerning change of applicant's representative
Search/Exam
Aug 22, 2016
(Electronic) Receipt
Search/Exam
Aug 22, 2016
Amended claims with annotations
Search/Exam
Aug 22, 2016
Amended description with annotations
Search/Exam
Aug 22, 2016
Claims
Search/Exam
Aug 22, 2016
Description
Search/Exam
Aug 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2016
Reply to communication from the Examining Division
Search/Exam
Aug 8, 2016
Communication of amended entries concerning the representative
Search/Exam
Jul 8, 2016
Annex to the communication
Search/Exam
Jul 8, 2016
Communication from the Examining Division
Search/Exam
Jun 29, 2016
Annexes in respect of a client data request
Search/Exam
Jun 29, 2016
Submission concerning change of applicant's representative
Search/Exam
May 12, 2016
Examination started
Search/Exam
Jul 5, 2013
Communication of amended entries concerning the representative
Search/Exam
Jul 1, 2013
Submission concerning change of applicant's representative
Search/Exam
Jun 13, 2013
(Electronic) Receipt
Search/Exam
Jun 13, 2013
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
May 3, 2013
Submission concerning representation
Search/Exam
Dec 20, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Search/Exam
Dec 3, 2012
Communication regarding the transmission of the European search report
Search/Exam
Dec 3, 2012
European search opinion
Search/Exam
Dec 3, 2012
Supplementary European search report
Search/Exam
Apr 25, 2012
Notification on forthcoming publication of bibliographic data
Search/Exam
Mar 16, 2012
Communication regarding possible amendment of the application/payment of claims fee
Search/Exam
Feb 10, 2012
(Electronic) Receipt
Search/Exam
Feb 10, 2012
Request for entry into the European phase
Search/Exam
Jan 27, 2012
Copy of the international preliminary report on patentability
Search/Exam
Nov 18, 2011
Information on entry into European phase
Search/Exam
Apr 21, 2011
Copy of the international search report
Search/Exam
Apr 21, 2011
International publication of the international search report
Search/Exam
Feb 4, 2011
Priority document (electronically transmitted)
Search/Exam
Jan 13, 2011
Published international application - A2
Search/Exam