Surfactant Responsive Dispersion Polymerized Micro-Gels

Patent No. EP2756053 (titled "Surfactant Responsive Dispersion Polymerized Micro-Gels") was filed by Lubrizol Advanced Materials, Inc. on Sep 13, 2012. The application was issued on Apr 3, 2019.

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
AKZO NOBEL CHEMICALS INTERNATIONAL BV	Aug 16, 2016	AKZO NOBEL CHEMICALS GROUP

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

Mar 7, 2019
Decision to maintain the European patent in amended form
Mar 7, 2019
Decision to maintain the European patent in amended form
Mar 1, 2019
Termination of the opposition proceedings with maintenance of patent
Feb 19, 2019
(Electronic) Receipt
Feb 19, 2019
French translation of claims
Feb 19, 2019
German translation of the claims
Feb 19, 2019
Letter accompanying subsequently filed items
Nov 12, 2018
Communication of bibliographic data
Nov 12, 2018
Communication to opponent concerning maintenance
Nov 12, 2018
Communication with request to file translations
Nov 2, 2018
Maintenance of the patent with the documents specified in the final decision
Oct 24, 2018
Maintenance of the patent with the documents specified in the final decision
Jul 26, 2018
Advice of delivery
Jul 23, 2018
Advice of delivery
Jul 18, 2018
Advice of delivery
Jul 13, 2018
Acknowledgement of a document
Jul 13, 2018
Acknowledgement of a document
Jul 13, 2018
Annex to the communication - opposition
Jul 13, 2018
Decision of the Opposition Division and instruction
Jul 13, 2018
Druckexemplar in opposition procedure
Jul 13, 2018
Grounds for the decision (Annex) - opposition
Jul 13, 2018
Interlocutory decision in opposition proceedings
Jul 13, 2018
Internal form - Opposition/addressees
Jul 13, 2018
Internal form - Opposition/addressees
Jul 13, 2018
Means of redress
Jul 13, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 13, 2018
Provision of a copy of the minutes - opposition procedure
Apr 17, 2018
Information about the result of oral proceedings
Mar 12, 2018
Communication concerning the filing of a power of attorney
Mar 12, 2018
Communication of amended entries
Mar 8, 2018
Brief communication - Opposition proceedings
Feb 28, 2018
(Electronic) Receipt
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Claims
Feb 28, 2018
Letter accompanying subsequently filed items
Feb 28, 2018
Letter regarding the opposition procedure (no time limit)
Feb 21, 2018
Brief communication - Opposition proceedings
Feb 21, 2018
Letter accompanying subsequently filed items
Feb 21, 2018
Request for change of opponent's representative
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 15, 2018
(Electronic) Receipt
Feb 15, 2018
Any annexes (other than citation) to an opposition letter
Feb 15, 2018
Any annexes (other than citation) to an opposition letter
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Claims
Feb 15, 2018
Letter accompanying subsequently filed items
Feb 15, 2018
Letter regarding the opposition procedure (no time limit)
Feb 13, 2018
(Electronic) Receipt
Feb 13, 2018
Letter regarding the opposition procedure (no time limit)
Feb 13, 2018
Request for interpreters during oral proceedings
Jan 24, 2018
Advice of delivery
Jan 11, 2018
Advice of delivery
Dec 4, 2017
Advice of delivery
Nov 29, 2017
Advice of delivery
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Notification concerning the date of oral proceedings
Nov 24, 2017
Notification concerning the date of oral proceedings
Aug 22, 2017
Oral proceedings: Request for postponement
Aug 14, 2017
Brief communication - Opposition proceedings
Aug 3, 2017
Advice of delivery
Aug 2, 2017
(Electronic) Receipt
Aug 2, 2017
Advice of delivery
Aug 2, 2017
Letter accompanying subsequently filed items
Aug 2, 2017
Request for interpreters during oral proceedings
Aug 1, 2017
Advice of delivery
Jul 25, 2017
Acknowledgement of a document
Jul 25, 2017
Acknowledgement of a document
Jul 25, 2017
Annex to the communication - opposition
Jul 25, 2017
Information concerning oral proceedings
Jul 25, 2017
Preparation for oral proceedings
Jul 25, 2017
Summons to attend oral proceedings
Jul 25, 2017
Summons to attend oral proceedings
Feb 10, 2017
Brief communication - Opposition proceedings
Feb 6, 2017
(Electronic) Receipt
Feb 6, 2017
Clean copy of claims in the opposition procedure
Feb 6, 2017
Letter regarding the opposition procedure (no time limit)
Feb 6, 2017
Non-patent literature cited during the opposition procedure
Feb 6, 2017
Non-patent literature cited during the opposition procedure
Feb 6, 2017
Reply of the patent proprietor to the notice(s) of opposition
Sep 26, 2016
Communication of a notice of opposition and request to file observations
Sep 26, 2016
Notice of further oppositions to opponent(s)
Aug 24, 2016
Communication of a notice of opposition - first information to patent proprietor
Aug 18, 2016
Citation in opposition procedure
Aug 18, 2016
Non-patent literature cited during the opposition procedure
Aug 18, 2016
Notice of opposition
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Patent document cited during the opposition procedure
Aug 18, 2016
Payment of fees and costs
Aug 16, 2016
Non-patent literature cited during the opposition procedure
Aug 16, 2016
Notice of opposition
Aug 16, 2016
Payment of fees and costs
Aug 16, 2016
Payment of fees and costs
May 9, 2016
Submission concerning representation
Apr 22, 2016
Submission concerning representation
Nov 19, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 22, 2015
Decision to grant a European patent
Aug 18, 2015
(Electronic) Receipt
Aug 18, 2015
Filing of the translations of the claims
Aug 18, 2015
French translation of claims
Aug 18, 2015
German translation of the claims
Aug 18, 2015
Letter accompanying subsequently filed items
Apr 13, 2015
Bibliographic data of the European patent application
Apr 13, 2015
Communication about intention to grant a European patent
Apr 13, 2015
Intention to grant (signatures)
Apr 13, 2015
Text intended for grant
Mar 16, 2015
Examination started
Jun 25, 2014
Notification on forthcoming publication of bibliographic data
Apr 22, 2014
Communication to designated inventor
Apr 22, 2014
Communication to designated inventor
Apr 22, 2014
Communication to designated inventor
Apr 22, 2014
Communication to designated inventor
Apr 1, 2014
Submission concerning representation
Mar 25, 2014
(Electronic) Receipt
Mar 25, 2014
Amended claims filed after receipt of (European) search report
Mar 25, 2014
Amended description filed after receipt of (European) search report
Mar 25, 2014
Amendments received before examination
Mar 25, 2014
Annexes to the international preliminary examination report
Mar 25, 2014
Copy of the international preliminary examination report
Mar 25, 2014
Reply to Written Opinion prepared by the EPO
Mar 25, 2014
Request for entry into the European phase
Mar 19, 2014
Notification of the recording of a change
Jan 24, 2014
Information on entry into European phase
Aug 20, 2013
Annex to International preliminary examination report
Aug 20, 2013
International preliminary examination report
Aug 20, 2013
International preliminary examination report
Aug 20, 2013
International preliminary examination report - free text sheet
Aug 20, 2013
International preliminary examination report - free text sheet
Aug 20, 2013
International preliminary examination report - points I-VIII
Aug 20, 2013
International preliminary examination report - points I-VIII
Aug 20, 2013
Notification of documents sent to WIPO
Aug 20, 2013
Transmittal of International Preliminary Examination Report
Aug 15, 2013
Notification of election of EPO
Aug 7, 2013
Amendments of documents (Article 19 PCT)
Jul 17, 2013
Notification of documents sent to WIPO
Jul 17, 2013
Notification of receipt of demand
Jul 9, 2013
Document concerning fees and payments
Jul 9, 2013
PCT demand form
Jul 9, 2013
PCT(IPEA): Amended sheet - claims
Jul 9, 2013
Payment of fees and costs
Jul 9, 2013
Submission concerning representation
Apr 9, 2013
Priority document (electronically transmitted)
Apr 9, 2013
Priority document (electronically transmitted)
Apr 9, 2013
Priority document (electronically transmitted)
Mar 21, 2013
Copy of the international search report
Mar 21, 2013
Published international application - A1
Feb 6, 2013
Written opinion of the ISA, boxes No. I to VIII
Feb 6, 2013
Written opinion of the ISA, cover sheet
Feb 6, 2013
Written opinion of the ISA, supplemental box
Sep 21, 2012
Abstract
Sep 21, 2012
Claims
Sep 21, 2012
Description
Sep 21, 2012
Submission concerning representation

EP2756053

LUBRIZOL ADVANCED MATERIALS, INC.

Application Number: EP12766533A
Filing Date: Sep 13, 2012
Status: Patent Maintained As Amended; Mar 1, 2019
Publication Date: Apr 3, 2019
External Links: Slate, Register , Google Patents

IP Verse

Surfactant Responsive Dispersion Polymerized Micro-Gels

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2756053