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IP Verse

Dispersant Composition - EP2771418

The patent EP2771418 was granted to Lubrizol Advanced Materials on Dec 29, 2021. The application was filed on Oct 25, 2012 under application number EP12784191A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2771418

LUBRIZOL ADVANCED MATERIALS

Application Number: EP12784191A
Filing Date: Oct 25, 2012
Status: Patent Maintained As Amended; Nov 26, 2021
Publication Date: Dec 29, 2021
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
AECHTER	Jan 4, 2019	TER MEER STEINMEISTER & PARTNER	-

Patent Citations (24) New

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

Citation Phase	Publication Number
DESCRIPTION	DE3325738
DESCRIPTION	EP1061089
DESCRIPTION	EP2065403
DESCRIPTION	EP2208761
DESCRIPTION	GB887241
DESCRIPTION	US3332793
DESCRIPTION	US4281071
DESCRIPTION	US5130463
DESCRIPTION	US5300255
DESCRIPTION	US5476885
DESCRIPTION	US5840114
DESCRIPTION	US6051627
DESCRIPTION	WO2010127809
INTERNATIONAL-SEARCH-REPORT	US2002132890
INTERNATIONAL-SEARCH-REPORT	US5187229
INTERNATIONAL-SEARCH-REPORT	US5244979
OPPOSITION	EP0296610
OPPOSITION	EP1138697
OPPOSITION	EP2351803
OPPOSITION	US2002035224
OPPOSITION	US2004019148
OPPOSITION	US2006106186
OPPOSITION	US2010076139
OPPOSITION	US4519920

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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May 16, 2022
Letter relating to refund instructions (deposit account)
Search/Exam
Dec 2, 2021
Decision to maintain the European patent in amended form
OPPO
Dec 2, 2021
Decision to maintain the European patent in amended form
OPPO
Nov 26, 2021
Termination of the opposition proceedings with maintenance of patent
OPPO
Nov 23, 2021
(Electronic) Receipt
OPPO
Nov 23, 2021
French translation of claims
OPPO
Nov 23, 2021
German translation of the claims
OPPO
Nov 23, 2021
Letter accompanying subsequently filed items
OPPO
Aug 26, 2021
Communication of bibliographic data
OPPO
Aug 26, 2021
Communication to opponent concerning maintenance
OPPO
Aug 26, 2021
Communication with request to file translations
OPPO
Aug 19, 2021
Maintenance of the patent with the documents specified in the final decision
OPPO
Aug 12, 2021
Maintenance of the patent with the documents specified in the final decision
OPPO
Jul 2, 2021
Communication of amended entries concerning the representative
Search/Exam
Jun 28, 2021
Authorisation
Search/Exam
Jun 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2021
Submission concerning change of applicant's representative
Search/Exam
May 17, 2021
Advice of delivery
OPPO
May 6, 2021
(Electronic) Receipt
OPPO
May 6, 2021
Advice of delivery
OPPO
May 6, 2021
Letter accompanying subsequently filed items
OPPO
May 3, 2021
Decision of the Opposition Division and instruction
OPPO
May 3, 2021
Druckexemplar in opposition procedure
OPPO
May 3, 2021
Grounds for the decision (Annex) - opposition
OPPO
May 3, 2021
Interlocutory decision in opposition proceedings
OPPO
May 3, 2021
Internal form - Opposition/addressees
OPPO
May 3, 2021
Means of redress
OPPO
May 3, 2021
Scanned annex to a communication - opposition procedure
OPPO
May 3, 2021
Transmittal of decision / summons - opposition
OPPO
May 3, 2021
Transmittal of decision / summons - opposition
OPPO
Nov 2, 2020
(Electronic) Receipt
OPPO
Nov 2, 2020
Letter accompanying subsequently filed items
OPPO
Nov 2, 2020
Reply to an examination report in opposition proceedings
OPPO
Sep 2, 2020
Annex to the communication - opposition
OPPO
Sep 2, 2020
Communication inviting the parties to file observations
OPPO
Sep 2, 2020
Communication inviting the parties to file observations
OPPO
Sep 2, 2020
Internal form - Opposition/addressees
OPPO
Aug 28, 2020
Communication inviting the parties to file observations
OPPO
Jul 7, 2020
(Electronic) Receipt
OPPO
Jul 7, 2020
Amended description with annotations
OPPO
Jul 7, 2020
Description
OPPO
Jul 7, 2020
Letter accompanying subsequently filed items
OPPO
Jul 7, 2020
Reply to an examination report in opposition proceedings
OPPO
Apr 30, 2020
(Electronic) Receipt
OPPO
Apr 30, 2020
Advice of delivery
OPPO
Apr 30, 2020
Annex to the communication - opposition
OPPO
Apr 30, 2020
Communication inviting the parties to file observations
OPPO
Apr 30, 2020
Communication inviting the parties to file observations
OPPO
Apr 30, 2020
Internal form - Opposition/addressees
OPPO
Apr 30, 2020
Letter accompanying subsequently filed items
OPPO
Apr 27, 2020
Advice of delivery
OPPO
Apr 24, 2020
Communication inviting the parties to file observations
OPPO
Apr 22, 2020
Notification concerning the date of oral proceedings
OPPO
Apr 22, 2020
Notification concerning the date of oral proceedings
OPPO
Apr 16, 2020
Brief communication - Opposition proceedings
OPPO
Apr 15, 2020
Brief communication - Opposition proceedings
OPPO
Apr 8, 2020
(Electronic) Receipt
OPPO
Apr 8, 2020
(Electronic) Receipt
OPPO
Apr 8, 2020
Amended description with annotations
OPPO
Apr 8, 2020
Amended description with annotations
OPPO
Apr 8, 2020
Amended description with annotations
OPPO
Apr 8, 2020
Amended description with annotations
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 05
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 08
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 09
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 10
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 11
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 12
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 13
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 14
OPPO
Apr 8, 2020
Auxiliary request during Opposition procedure - 15
OPPO
Apr 8, 2020
Description
OPPO
Apr 8, 2020
Description
OPPO
Apr 8, 2020
Description
OPPO
Apr 8, 2020
Description
OPPO
Apr 8, 2020
Letter accompanying subsequently filed items
OPPO
Apr 8, 2020
Letter accompanying subsequently filed items
OPPO
Apr 8, 2020
Request for interpreters during oral proceedings
OPPO
Apr 8, 2020
Written submission in preparation to/during oral proceedings
OPPO
Mar 2, 2020
(Electronic) Receipt
OPPO
Mar 2, 2020
Letter accompanying subsequently filed items
OPPO
Mar 2, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jan 3, 2020
Advice of delivery
OPPO
Dec 6, 2019
Advice of delivery
OPPO
Dec 6, 2019
Communication about missing advice of delivery
OPPO
Dec 6, 2019
Cover sheet for fax transmission
OPPO
Oct 8, 2019
Advice of delivery
OPPO
Sep 25, 2019
Acknowledgement of a document
OPPO
Sep 25, 2019
Acknowledgement of a document
OPPO
Sep 25, 2019
Annex to the communication - opposition
OPPO
Sep 25, 2019
Information concerning oral proceedings
OPPO
Sep 25, 2019
Summons to attend oral proceedings
OPPO
Sep 25, 2019
Summons to attend oral proceedings
OPPO
Sep 18, 2019
Information about the result of oral proceedings
OPPO
May 30, 2019
(Electronic) Receipt
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Amended claims with annotations
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Claims
OPPO
May 30, 2019
Letter accompanying subsequently filed items
OPPO
May 30, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jan 23, 2019
Communication of a notice of opposition and request to file observations
OPPO
Jan 23, 2019
Notice of further oppositions to opponent(s)
OPPO
Jan 9, 2019
Communication of a notice of opposition - first information to patent proprietor
OPPO
Jan 4, 2019
(Electronic) Receipt
OPPO
Jan 4, 2019
Citation in opposition procedure
OPPO
Jan 4, 2019
Notice of opposition
OPPO
Jan 4, 2019
Notice of opposition
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
Jan 4, 2019
Patent document cited during the opposition procedure
OPPO
May 10, 2018
Submission concerning representation
Search/Exam
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Mar 8, 2018
Decision to grant a European patent
Search/Exam
Feb 23, 2018
Bibliographic data of the European patent application
Search/Exam
Feb 23, 2018
Information about intention to grant a patent
Search/Exam
Feb 23, 2018
Intention to grant (signatures)
Search/Exam
Feb 23, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 23, 2018
Text intended for grant (version for approval)
Search/Exam
Feb 22, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
Feb 14, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
Feb 9, 2018
(Electronic) Receipt
Search/Exam
Feb 9, 2018
Amended description with annotations
Search/Exam
Feb 9, 2018
Description
Search/Exam
Feb 9, 2018
French translation of claims
Search/Exam
Feb 9, 2018
German translation of the claims
Search/Exam
Feb 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Search/Exam
Oct 11, 2017
Bibliographic data of the European patent application
Search/Exam
Oct 11, 2017
Communication about intention to grant a European patent
Search/Exam
Oct 11, 2017
Intention to grant (signatures)
Search/Exam
Oct 11, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 11, 2017
Text intended for grant (version for approval)
Search/Exam
Sep 22, 2017
Examination started
Search/Exam
Jun 16, 2017
Notification regarding date of start of examination with possibility to withdraw
Search/Exam
Nov 6, 2015
Communication of amended entries concerning the representative
Search/Exam
Oct 23, 2015
Submission concerning change of applicant's representative
Search/Exam
Dec 19, 2014
(Electronic) Receipt
Search/Exam
Dec 19, 2014
Amended claims filed after receipt of (European) search report
Search/Exam
Dec 19, 2014
Amended claims with annotations
Search/Exam
Dec 19, 2014
Amendments received before examination
Search/Exam
Dec 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2014
Notification on forthcoming publication of bibliographic data
Search/Exam
Jun 23, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Search/Exam
Jun 18, 2014
Communication to designated inventor
Search/Exam
Jun 18, 2014
Communication to designated inventor
Search/Exam
Jun 18, 2014
Communication to designated inventor
Search/Exam
May 1, 2014
Copy of the international preliminary report on patentability
Search/Exam
Apr 30, 2014
(Electronic) Receipt
Search/Exam
Apr 30, 2014
Request for entry into the European phase
Search/Exam
Mar 10, 2014
Information on entry into European phase
Search/Exam
Aug 1, 2013
Copy of the international search report
Search/Exam
Aug 1, 2013
International publication of the international search report
Search/Exam
May 24, 2013
Priority document (electronically transmitted)
Search/Exam
May 24, 2013
Written opinion of the ISA, boxes No. I to VIII
PCTISA
May 24, 2013
Written opinion of the ISA, cover sheet
PCTISA
May 24, 2013
Written opinion of the ISA, supplemental box
PCTISA
May 2, 2013
Published international application - A2
Search/Exam
Nov 5, 2012
Abstract
PCTISA
Nov 5, 2012
Claims
PCTISA
Nov 5, 2012
Description
PCTISA
Nov 5, 2012
Submission concerning representation
PCTISA