Surfactant Responsive Emulsion Polymerized Micro-Gels

Patent No. EP2756052 (titled "Surfactant Responsive Emulsion Polymerized Micro-Gels") was filed by Lubrizol Advanced Materials, Inc. on Sep 13, 2012. The application was issued on Nov 20, 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

Oct 24, 2019
Decision to maintain the European patent in amended form
Oct 24, 2019
Decision to maintain the European patent in amended form
Oct 18, 2019
Termination of the opposition proceedings with maintenance of patent
Oct 14, 2019
(Electronic) Receipt
Oct 14, 2019
French translation of claims
Oct 14, 2019
German translation of the claims
Oct 14, 2019
Letter accompanying subsequently filed items
Jul 10, 2019
Communication of bibliographic data
Jul 10, 2019
Communication to opponent concerning maintenance
Jul 10, 2019
Communication with request to file translations
Jul 1, 2019
Maintenance of the patent with the documents specified in the final decision
Jun 28, 2019
Maintenance of the patent with the documents specified in the final decision
Apr 2, 2019
Advice of delivery
Mar 28, 2019
Advice of delivery
Mar 25, 2019
Advice of delivery
Mar 19, 2019
(Electronic) Receipt
Mar 19, 2019
Acknowledgement of a document
Mar 19, 2019
Acknowledgement of a document
Mar 19, 2019
Annex to the communication - opposition
Mar 19, 2019
Decision of the Opposition Division and instruction
Mar 19, 2019
Druckexemplar in opposition procedure
Mar 19, 2019
Grounds for the decision (Annex) - opposition
Mar 19, 2019
Interlocutory decision in opposition proceedings
Mar 19, 2019
Internal form - Opposition/addressees
Mar 19, 2019
Internal form - Opposition/addressees
Mar 19, 2019
Letter accompanying subsequently filed items
Mar 19, 2019
Letter regarding the opposition procedure (no time limit)
Mar 19, 2019
Means of redress
Mar 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 19, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 19, 2019
Provision of a copy of the minutes - opposition procedure
Mar 27, 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
Feb 21, 2018
Letter accompanying subsequently filed items
Feb 21, 2018
Request for change of opponent's representative
Feb 9, 2018
Brief communication - Opposition proceedings
Feb 6, 2018
(Electronic) Receipt
Feb 6, 2018
Claims
Feb 6, 2018
Claims
Feb 6, 2018
Claims
Feb 6, 2018
Letter accompanying subsequently filed items
Feb 6, 2018
Letter regarding the opposition procedure (no time limit)
Feb 5, 2018
Brief communication - Opposition proceedings
Jan 26, 2018
Brief communication - Opposition proceedings
Jan 26, 2018
Brief communication - Opposition proceedings
Jan 25, 2018
(Electronic) Receipt
Jan 25, 2018
Citation in opposition procedure
Jan 25, 2018
Citation in opposition procedure
Jan 25, 2018
Claims
Jan 25, 2018
Claims
Jan 25, 2018
Claims
Jan 25, 2018
Letter accompanying subsequently filed items
Jan 25, 2018
Letter regarding the opposition procedure (no time limit)
Jan 22, 2018
(Electronic) Receipt
Jan 22, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Letter regarding the opposition procedure (no time limit)
Sep 4, 2017
Advice of delivery
Sep 1, 2017
(Electronic) Receipt
Sep 1, 2017
Advice of delivery
Sep 1, 2017
Advice of delivery
Sep 1, 2017
Letter accompanying subsequently filed items
Sep 1, 2017
Request for interpreters during oral proceedings
Aug 25, 2017
Acknowledgement of a document
Aug 25, 2017
Acknowledgement of a document
Aug 25, 2017
Annex to the communication - opposition
Aug 25, 2017
Information concerning oral proceedings
Aug 25, 2017
Preparation for oral proceedings
Aug 25, 2017
Summons to attend oral proceedings
Aug 25, 2017
Summons to attend oral proceedings
Feb 10, 2017
Brief communication - Opposition proceedings
Feb 6, 2017
(Electronic) Receipt
Feb 6, 2017
Claims
Feb 6, 2017
Letter accompanying subsequently filed items
Feb 6, 2017
Reply of the patent proprietor to the notice(s) of opposition
Sep 28, 2016
Communication of a notice of opposition and request to file observations
Sep 28, 2016
Notice of further oppositions to opponent(s)
Aug 30, 2016
Brief communication - Opposition proceedings
Aug 24, 2016
Communication of a notice of opposition - first information to patent proprietor
Aug 18, 2016
Non-patent literature cited during the 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
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
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 26, 2015
Examination started
Jun 25, 2014
Notification on forthcoming publication of bibliographic data
Jun 17, 2014
Letter which had not been notified
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 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
Feb 12, 2014
Notification of the recording of a change
Jan 24, 2014
Information on entry into European phase
Nov 12, 2013
Notification of the recording of a change
Sep 6, 2013
Annex to International preliminary examination report
Sep 6, 2013
International preliminary examination report
Sep 6, 2013
International preliminary examination report
Sep 6, 2013
International preliminary examination report - free text sheet
Sep 6, 2013
International preliminary examination report - free text sheet
Sep 6, 2013
International preliminary examination report - points I-VIII
Sep 6, 2013
International preliminary examination report - points I-VIII
Sep 6, 2013
Notification of documents sent to WIPO
Sep 6, 2013
Transmittal of International Preliminary Examination Report
Aug 15, 2013
Notification of election of EPO
Jul 30, 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
Apr 9, 2013
Priority document (electronically transmitted)
Mar 21, 2013
Copy of the international search report
Mar 21, 2013
Published international application - A1
Feb 11, 2013
Written opinion of the ISA, boxes No. I to VIII
Feb 11, 2013
Written opinion of the ISA, cover sheet
Feb 11, 2013
Written opinion of the ISA, supplemental box
Oct 1, 2012
Abstract
Oct 1, 2012
Claims
Oct 1, 2012
Description
Oct 1, 2012
Drawings
Oct 1, 2012
Submission concerning representation

EP2756052

LUBRIZOL ADVANCED MATERIALS, INC.

Application Number: EP12769536A
Filing Date: Sep 13, 2012
Status: Patent Maintained As Amended; Oct 18, 2019
Publication Date: Nov 20, 2019
External Links: Slate, Register , Google Patents

IP Verse

Surfactant Responsive Emulsion Polymerized Micro-Gels

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2756052